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Orca open water wetsuit

Orca Openwater Core TRN Men's Wetsuit

Size 5

A flexible, neutral buoyancy wetsuit for men who are just starting out in open water.

Price$240~~$399~~Save $159

In stockSale item: doesn't count toward free shipping

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Size 5

Everything here follows your choice above: photos, price, stock and shipping.

Size: 5
SKU: ORW-280501-LN
Price: $240 was $399
Stock: In stock
Shipping: Sale item: doesn't count toward free shipping (flat $16.45 unless the order has $200+ of full-price items)
Returns: Final sale for change of mind or sizing (faulty items always covered)
Delivery: Ships direct from Orca's Australian supplier

What you'll love

A comfortable start to open water swimming.

High flexibility in the shoulders makes early open water workouts comfortable, while 3 mm neoprene keeps you warm and feeling secure.

Flexibility

Highly elastic materials give you freedom of movement through every phase of the stroke.

Orca, product description

Thermal insulation

3 mm neoprene in the torso and legs keeps you warm so you can stay out longer.

Orca, product description

Neutral buoyancy

3 mm panels help you keep a good position and move through the water quickly.

Orca, product description

The spec, checked

What Orca says about the Openwater Core TRN

Each fact comes from Orca's own information for the version we sell, with its source. Checked by TriShop

Did you know?

Orca's ratings graphic scores the Core TRN 7 out of 10 for thermal insulation, flexibility and buoyancy alike.
Orca describes the Openwater Core TRN as a wetsuit for swimmers just starting out in open water, with high flexibility and neutral buoyancy.

Materials

Orca says the highly elastic materials give more flexibility in all phases of the swim stroke, for freedom of movement in open water sessions. Orca.com Openwater Core TRN Men Wetsuit page (REF LN28TT01), Wayback snapshot 26 Sep 2022

Sizing

Orca's men's one-piece wetsuit size guide (cm and kg) gives: size 4 fits chest 85-91 cm, height 157-170 cm, weight 55-61 kg; size 5 fits chest 90-95 cm, height 162-172 cm, weight 61-66 kg; size 6 fits chest 95-99 cm, height 167-175 cm, weight 67-74 kg; size MT fits chest 95-99 cm, height 177-188 cm, weight 68-76 kg. Orca.com Openwater Core TRN Men Wetsuit page (REF LN28TT01), Wayback snapshot 27 Jan 2023 (size guide)

Orca's men's one-piece wetsuit size guide (cm and kg) continues: size 7 fits chest 98-104 cm, height 173-185 cm, weight 75-82 kg; size 8 fits chest 104-108 cm, height 180-188 cm, weight 82-89 kg; size 9 fits chest 108-113 cm, height 185-193 cm, weight 89-97 kg; size 10 fits chest 114-124 cm, height 190-196 cm, weight 98-106 kg; size 11 fits chest 123-134 cm, height 193-200 cm, weight 107 kg and over. Orca.com Openwater Core TRN Men Wetsuit page (REF LN28TT01), Wayback snapshot 27 Jan 2023 (size guide)

Warmth

Orca says 3 mm thick neoprene in the torso and legs provides the thermal insulation. Orca.com Openwater Core TRN Men Wetsuit page (REF LN28TT01), Wayback snapshot 26 Sep 2022

Orca's ratings graphic for the Openwater Core TRN scores Thermal Insulation 7 out of 10, Flexibility 7 out of 10 and Buoyancy 7 out of 10. Orca Openwater Core TRN ratings graphic (TriShop product photo 5)

Buoyancy

Orca says the 3 mm panels allow you to maintain neutral buoyancy. Orca.com Openwater Core TRN Men Wetsuit page (REF LN28TT01), Wayback snapshot 26 Sep 2022

Technology

Orca says the Core TRN has high flexibility in the shoulders. Orca.com Openwater Core TRN Men Wetsuit page (REF LN28TT01), Wayback snapshot 26 Sep 2022

Care

Orca says to wash the wetsuit with plenty of water after use, using a small amount of neutral pH soap if needed and rinsing it out. Then air dry it outside or in a ventilated indoor space, out of direct sunlight, which can damage its materials. Orca.com Openwater Core TRN Men Wetsuit page (REF LN28TT01), Wayback snapshot 26 Sep 2022

Orca says the best way to store a wetsuit is to hang it draped from its waist. It says Apex Flex and Apex Flow wetsuits should not be put on a hanger from the shoulder area, and that for the rest of its models a wide hanger can be used as long as the shoulder and neck area is not strained. Orca.com Openwater Core TRN Men Wetsuit page (REF LN28TT01), Wayback snapshot 26 Sep 2022

Orca says to be careful not to damage the neoprene with your fingernails when putting the suit on or taking it off, and that this type of damage is not covered by its warranty policy. Orca.com Openwater Core TRN Men Wetsuit page (REF LN28TT01), Wayback snapshot 26 Sep 2022

Made for

Orca describes the Openwater Core TRN as a wetsuit for swimmers just starting out in open water, with high flexibility and neutral buoyancy. Orca.com Openwater Core TRN Men Wetsuit page (REF LN28TT01), Wayback snapshot 26 Sep 2022

Orca lists the Openwater Core TRN in its men's Open Water wetsuits, as an open water wetsuit. Orca.com Openwater Core TRN Men Wetsuit page (REF LN28TT01), Wayback snapshot 26 Sep 2022

Orca says triathlon and open water wetsuits are designed specifically for surface swimming, that it cannot guarantee correct performance for other activities, and that damage from other activities is not covered by its warranty policy. Orca.com Openwater Core TRN Men Wetsuit page (REF LN28TT01), Wayback snapshot 26 Sep 2022

Size guide

Find your size

Orca sizes by chest, height and weight. When in doubt, go by chest. Questions? Ask us before you buy.

ORCA Sizing guide

Wetsuits

Different wetsuits have different fits.

Thanks to the high elasticity of the materials, the more flexible wetsuits adapt better to the swimmer’s body than those with less elasticity.

If you’re choosing a wetsuit with less flexibility, you should select a size that fits well to your body.

We always recommend trying the wetsuit on to make sure that the fit feels right. However, should you have any questions, contact us and we’ll be happy to help you.

One piece wetsuits

When selecting the ideal wetsuit size, three measurements should be taken into account: chest circumference, height and weight. When in doubt, we recommend choosing the size that best fits your chest circumference, since it is important that the wetsuit is well- fitted in this area.

Women

Triathlon - Women

Size	Chest		Height		Weight
	CM.	IN.	CM.	FEET/INCH.	KG.	LB.
XS	78 - 83	31 - 33	144 - 160	4/9 - 5/3	46 - 54	101 - 116
XST	79-85	31-34	157-167	5/3-5/6	53-60	116-132
S	83 - 89	33 - 35	157 - 167	5/3 - 5/6	54 - 61	118 - 134
ST	83-89	33-35	169-183	5/6-6/0	58-65	127-143
M	89 - 94	35 - 37	165 - 177	5/5 - 5/10	60 - 67	132 - 147
L	94 - 99	37 - 39	170 - 185	5/8 - 6/1	66 - 74	145 - 163
XL	99 - 104	39 - 41	177 - 189	5/10 - 6/2	73 - 79	160 - 173

Open Water / Freediving / Swimrun - Women

Size	Chest		Height		Weight
	CM.	IN.	CM.	FEET/INCH.	KG.	LB.
XS	78 - 83	31 - 33	144 - 160	4/9 - 5/3	46 - 54	101 - 116
S	83 - 89	33 - 35	157 - 167	5/3 - 5/6	54 - 61	118 - 134
M	89 - 94	35 - 37	165 - 177	5/5 - 5/10	60 - 67	132 - 147
L	94 - 99	37 - 39	170 - 185	5/8 - 6/1	66 - 74	145 - 163
XL	99 - 104	39 - 41	177 - 189	5/10 - 6/2	73 - 79	160 - 173

Freedive wetsuits: This garment is made of compressive fabric. If you are between sizes, choose the larger size.

Surf Tango 4:3 / Tango 3:2 - Women

Size		Chest		Height		Weight
		CM.	IN.	CM.	FEET/INCH.	KG.	LB.
XS	6	79 - 84	31 - 33	155 - 162	5/1 - 5/4	49 - 56	108 - 123
S	8	82 - 88	32 - 35	160 - 166	5/3 - 5/5	54 - 61	119 - 134
M	10	86 - 91	34 - 36	165 - 171	5/5 - 5/7	60 - 66	132 - 145
L	12	90 - 96	35 - 38	170 - 176	5/7 - 5/9	65 - 71	143 - 156
XL	14	95 - 100	37 - 39	175 - 181	5/9 - 5/11	70 - 76	154 - 167

Surf Tango 5:4 / Bossa - Women

Size		Chest		Height		Weight
		CM.	IN.	CM.	FEET/INCH.	KG.	LB.
XS	6	79 - 85	31 - 33	153 - 163	5/0 - 5/4	45 - 54	99 - 119
S	8	83 - 89	32 - 35	161 - 168	5/3 - 5/6	52 - 61	114 - 134
M	10	87 - 93	34 - 36	166 - 173	5/5 - 5/8	57 - 66	125 - 145
L	12	91 - 97	35 - 38	171 - 178	5/7 - 5/10	64 - 73	141 - 160
XL	14	95 - 101	37 - 40	176 - 183	5/9 - 6/0	72 - 81	158 - 178

Men

Triathlon / Open Water / Freediving / Swimrun - Men

Size	Chest		Height		Weight
	CM.	IN.	CM.	FEET/INCH.	KG.	LB.
4	85 - 91	33 - 36	157 - 170	5/2 - 5/7	55 - 61	121 - 134
5	90 - 95	35 - 37	162 - 172	5/4 - 5/8	61 - 66	134 - 145
6	95 - 99	37 - 39	167 - 175	5/6 - 5/9	67 - 74	147 - 162
MT	95 - 99	37 - 39	177 - 188	5/10 - 6/2	68 - 76	149 - 167
7	98 - 104	38 - 41	173 - 185	5/8 - 6/1	75 - 82	165 - 180
8	104 - 108	41 - 43	180 - 188	5/11 - 6/2	82 - 89	180 - 196
9	108 - 113	43 - 44	185 - 193	6/1 - 6/4	89 - 97	196 - 213
10	114 - 124	45 - 49	190 -196	6/3 - 6/5	98 - 106	215 - 233
11	123 - 134	49 - 53	193 - 200	6/4 - 6/6	107 +	235 +

Freedive wetsuits: This garment is made of compressive fabric. If you are between sizes, choose the larger size.

Surf Tango 4:3 / Tango 3:2 - Men

Size		Chest		Height		Weight
		CM.	IN.	CM.	FEET/INCH.	KG.	LB.
XS	4	83 - 89	32 - 35	157 - 168	5/2 - 5/6	50 - 58	110 - 128
XST	5	87 - 93	34 - 37	166 - 172	5/4 - 5/8	56 - 63	123 - 139
S	6	90 - 96	35 - 38	170 - 176	5/7 - 5/9	62 - 70	137 - 154
MT	6T	90 - 96	35 - 38	176 - 182	5/9 - 6	65 - 78	143 - 172
M	7	95 - 101	37 - 40	174 - 180	5/8 - 5/11	68 - 75	150 - 165
L	8	99 - 105	39 - 41	177 - 183	5/10 - 6	75 - 82	165 - 181
XL	9	103 - 109	40 - 43	182 - 189	6/1 - 6/3	80 - 87	176 - 192
XLT	10	108 - 114	42 - 45	187 - 193	6/2 - 6/4	87 - 95	192 - 209
XXL	11	113 - 119	44 - 47	191 - 197	6/3 - 6/5	92 - 100	203 - 220

Surf Tango 5:4 / Bossa - Men

Size	Chest		Height		Weight
	CM.	IN.	CM.	FEET/INCH.	KG.	LB.
XS	86 - 92	33 - 36	163 - 171	5/4 - 5/7	50 - 60	110 - 132
S	92 - 98	36 - 38	169 - 176	5/6 - 5/9	60 - 70	132 - 154
ST	92 - 98	36 - 38	176 - 183	5/9 - 5/12	63 - 73	138 - 161
M	98 - 104	38 - 41	175 - 181	5/8 - 5/11	70 - 80	154 - 176
MT	98 - 104	38 - 41	181 - 188	5/11 - 6/2	75 - 85	165 - 187
LS	104 - 110	41 - 43	173 - 180	5/8 - 5/10	75 - 85	165 - 187
L	104 - 110	41 - 43	179 - 186	5/10 - 6/1	80 - 90	176 - 198
XL	110 - 116	43 - 45	184 - 191	6/0 - 6/3	90 - 100	198 - 220
XXL	116 - 122	45 - 48	189 - 196	6/2 - 6/5	100 - 110	220 - 242

Kids

For children’s sizing, the measurements we will look at are the chest circumference, waist, hips and height. When in doubt, go by the chest circumference in this case as well.

Size	Chest		Waist		Hips		Height
	CM.	IN.	CM.	IN.	CM.	IN.	CM.	IN.
8	64 - 69	25 - 27	55 - 60	21.5 - 23.5	67 - 72	26.5 - 28.5	125 - 135	4'1" - 4'5"
10	69 - 74	27 - 29	60 - 65	23.5 - 25.5	72 - 77	28.5 - 30.5	135 - 145	4'5" - 4'9"
12	74 - 79	29 - 31	65 - 70	25.5 - 27.5	77 - 82	30.5 - 32.5	145 - 155	4'9" - 5'1"

Two piece wetsuits

To determine the ideal size of a two-piece wetsuit, four measurements should be taken into account: chest circumference, waist, height and weight.

Tops

The chest circumference, height and weight help to figure out which size top will fit best. When in doubt, the chest circumference should be the most closely fitted.

Women

Size	Chest		Height		Weight
	CM.	INCH.	CM.	FEET/INCH.	KG.	LBS.
XXS	65 - 77	25 - 30	138 - 143	4/5 - 4/7	32 - 45	70 - 99
XS	78 - 86	31 - 33	144 - 160	4/9 - 5/3	46 - 53	101 - 116
S	83 - 89	33 - 35	157 - 167	5/3 - 5/6	54 - 61	118 - 134
M	89 - 94	35 - 37	165 - 177	5/5 - 5/10	60 - 67	132 - 147
L	94 - 99	37 - 39	170 - 185	5/8 - 6/1	66 - 74	145 - 163
XL	99 - 104	39 - 41	177 - 189	5/10 - 6/2	73 - 79	160 - 173

Men

Size	Chest		Height		Weight
	CM.	INCH.	CM.	FEET/INCH.	KG.	LBS.
2	75 - 80	29 - 31	145 - 150	4/9 - 4/11	35 - 40	77 - 88
3	80 - 86	31 - 34	150 - 160	4/11 - 5/3	40 - 55	88 - 121
4	85 - 91	33 - 36	157 - 170	5/2 - 5/7	56 - 61	121 - 134
5	90 - 95	35 - 37	162 - 170	5/4 - 5/8	61 - 66	134 - 145
6	95 - 99	37 - 39	167 - 175	5/6 - 5/9	67 - 74	147 - 162
MT	95 - 99	37 - 39	177 - 190	5/10 - 6/2	68 - 76	149 - 167
7	98 - 104	38 - 41	173 - 185	5/8 - 6/1	75 - 82	165 - 180
8	104 - 108	41 - 43	180 - 188	5/11 - 6/2	82 - 89	180 - 196
9	108 - 113	43 - 44	185 - 193	6/1 - 6/4	89 - 97	196 - 213
10	114 - 124	45 - 49	190 -196	6/3 - 6/5	98 - 109	215 - 233
11	123 - 134	49 - 53	193 - 200	6/4 - 6/6	107 +	235 +

Bottoms

To choose wetsuit bottoms, you should take into account your waist measurement, height and weight. In this case, your waist is the most important measurement.

Women

Size	Waist		Height		Weight
	CM.	INCH.	CM.	INCH.	KG.	LBS.
XXS	51 - 60.5	20 - 24	138 - 143	4/5 - 4/7	32 - 45	70 - 99
XS	60.5 - 65.5	24 - 26	144 - 160	4/9 - 5/3	46 - 53	101 - 116
S	65.5 - 71.5	26 - 28	157 - 167	5/3 - 5/6	54 - 61	118 - 134
M	71.5 - 76.5	28 - 30	165 - 177	5/5 - 5/10	60 - 67	132 - 147
L	76.5 - 81.5	30 - 32	170 - 185	5/8 - 6/1	66 - 74	145 - 163
XL	81.5 - 86.5	32 - 34	177 - 189	5/10 - 6/2	73 - 79	160 - 173

Men

Size	Waist		Height		Weight
	CM.	INCH.	CM.	INCH.	KG.	LBS.
2	70.5 - 73.5	28 - 29	145 - 150	4/9 - 4/11	35 - 40	77 - 88
3	73.5 - 76.5	29 - 30	150 - 160	4/11 - 5/3	40 - 55	88 - 121
4	75.5 - 78.5	30 - 31	157 - 170	5/2 - 5/7	56 - 61	121 - 134
5	78.5 - 81.5	31 - 32	162 - 170	5/4 - 5/8	61 - 66	134 - 145
6	81.5 - 83.5	32 - 33	167 - 175	5/6 - 5/9	67 - 74	147 - 162
MT	81.5 - 83.5	32 - 33	177 - 190	5/10 - 6/2	68 - 76	149 - 167
7	83 - 86.5	33 - 34	173 - 185	5/8 - 6/1	75 - 82	165 - 180
8	86.5 - 89	34 - 35	180 - 188	5/11 - 6/2	82 - 89	180 - 196
9	89 - 92	35 - 36	185 - 193	6/1 - 6/4	89 - 97	196 - 213
10	92 - 98	36 - 39	190 -196	6/3 - 6/5	98 - 109	215 - 233
11	98 - 105	39 - 41	193 - 200	6/4 - 6/6	107 +	235 +

Triathlon apparel

When selecting your size, your chest, waist and hip measurements should be referenced. Don’t forget that each range is different and has a different elasticity, compression and pattern. To ensure a better fit, Orca has developed its own size chart for garments in each range.

Women

Size		Chest		Waist		Hips
UK / AUS / NZ	USA / EUROPE / REST OF THE WORLD	CM.	INCH.	CM.	INCH.	CM.	INCH.
8	XS	79 - 85	31 - 33.5	61 - 67	24 - 26.5	85 - 91.5	33.5 - 36
10	S	85 - 91.5	33.5 - 36	67 - 73.5	26.5 - 29	91.5 - 98	36 - 38.5
12	M	91.5 - 98	36 - 38.5	73.5 - 80	29 - 31.5	98 - 104	38.5 - 41
14	L	98 - 104	38.5 - 41	80 - 86	31.5 - 34	104 - 110.5	41 - 43.5
16	XL	104 - 110.5	41 - 43.5	86 - 93	34 - 36.5	110.5 - 117	43.5 - 46

Men / Unisex

Size	Chest		Waist		Hips
	CM.	INCH.	CM.	INCH.	CM.	INCH.
XS	76 - 85	30 - 33.5	71 - 76	28 - 30	76 - 85	30 - 33.5
S	85 - 94	33.5 - 37	76 - 81	30 - 32	85 - 94	33.5 - 37
M	94 - 103	37 - 40.5	81 - 86	32 - 34	94 - 103	37 - 40.5
L	103 - 112	40.5 - 44	86 - 91.5	34 - 36	103 - 112	40.5 - 44
XL	112 - 120.5	44 - 47.5	91.5 - 96.5	36 - 38	112 - 120.5	44 - 47.5
XXL	120.5 - 129.5	47.5 - 51	96.5 - 101.5	38 - 40	120.5 - 129.5	47.5 - 51

Children

Size	Chest		Waist		Hips		Height
	CM.	INCH.	CM.	INCH.	CM.	INCH.	CM.	INCH.
8	64-69	25-27	55-60	21.5-23.5	67-72	26.5-28.5	125-135	4'1"-4'5"
10	69-74	27-29	60-65	23.5-25.5	72-77	28.5-30.5	135-145	4'5"-4'9"
12	74-79	29-31	65-70	25.5-27.5	77-82	30.5-32.5	145-155	4'9"-5'1"

Accessories

To select your ideal size for Orca accessories, you should take into account your chest, waist and hip measurements.

Base Layer Accessories / Vests / Neoprene Swimsuits - Women

Size	Chest				Height				Weight
	INCH -	INCH +	CM -	CM +	FEET/ INCH -	FEET/ INCH +	CM -	CM +	LBS -	LBS +	KG -	KG +
XXS	25	30	65	77	4/5	4/7	138	143	70	99	32	45
XS	31	33	78	86	4/9	5/3	144	160	101	116	46	53
S	33	35	83	89	5/3	5/6	157	167	118	134	54	61
M	35	37	89	94	5/5	5/10	165	177	132	147	60	67
L	37	39	94	99	5/8	6/1	170	185	145	163	66	74
XL	39	41	99	104	5/10	6/2	177	189	160	173	73	79

Accessories - Unisex

Size	Chest				Waist				Hips
	INCH -	INCH +	CM -	CM +	INCH -	INCH +	CM -	CM +	INCH -	INCH +	CM -	CM +
XS	30.0	33.5	76	85	28.0	30.0	71	76	30.0	33.5	76	85
S	33.5	37.0	85	94	30.0	32.0	76	81	33.5	37.0	85	94
M	37.0	40.5	94	103	32.0	34.0	81	86	37.0	40.5	94	103
L	40.5	44.0	103	112	34.0	36.0	86	91.5	40.5	44.0	103	112
XL	44.0	47.5	112	120.5	36.0	38	91.5	96.5	44.0	47.5	112	120.5
XXL	47.5	51	120.5	129.5	38	40	96.5	101.5	47.5	51	120.5	129.5

Caps

To determine your ideal cap size, measure the circumference and length of your head according to the following image.

Your head circumference is measured just above the eyebrows, while your head length is measured from one finger length above the eyebrows to the nape of your neck.

Size	Head Circumference		Head Length
	INCH.	CM	INCH.	CM
S / M	20.9-22.8	53-58	13.4-15.4	34-39
L / XL	21.7-23.6	55-60	14.2-16.5	36-42

Neoprene and Swim Caps

Size	Head Circumference
	INCH -	INCH +	CM -	CM +
S/M	20 7/8"	22 7/8"	53	58
L/XL	21 5/8"	22 7/8"	55	60
XXL	22 1/2"	24 3/8"	57	62

Swimrun Arm Sleeve

The size of your Swimrun Arm Sleeve will depend on the measurement of your biceps, which can be taken by measuring around this part of your arm, as shown in the image.

Size	Biceps circumference
	INCH.	CM.
XXS	< 10	< 25.5
XS	10-11	25.5-28
S	11-12	28-30.5
M	12-13	30.5-33
L	13-14	33-35.5
XL	14-15	35.5-38
XXL	> 15	> 38

Swimrun Calf Guards

To determine the size of your Swimrun Calf Guard, measure the widest part of your calf, as seen in the picture.

Size	Circumference (CM)	Circumference (INCH)
XS	33-35.5	13-14
S	35.5-38	14-15
M	38-40.5	15-16
L	40.5-43	16-17

Neoprene gloves

To select the correct size of Neoprene Gloves, measure the circumference of your hand, as shown in the following image.

Women

Size	Hand Circumference
	INCH.	CM
XS	< 7	< 17.8
S	7 - 7.5	17.8 - 19
M	7.5 - 8	19 - 20.3

Men

Size	Hand Circumference
	INCH.	CM
S	8 - 8.5	20.3 - 21.6
M	8.5 - 9	21.6 - 23
L	> 9	> 23

Hydro Booties / Swim Socks

It is important to go by your usual shoe size when selecting the size of your Hydro Booties or Swim Socks to ensure that they will fit.

Size	Shoe size
	EUROPE	UK	USA
XXS	37	4.5	5
XS	38.5	5.5	6
S	40	6.5	7
M	41	7.5	8
L	42.5	8.5	9
XL	44	9.5	10
XXL	45	10.5	11
3XL	46	11.5	12
4XL	47	12.5	13

Aero Shoes

To select your ideal size in Aero Shoes, use your normal shoe size.

Size	Shoe size
	EUROPE	UK WOMEN	UK MEN	USA WOMEN	USA MEN
XS / S	38-40	5-6.5	5.5-7	6.5-8	5.5-7
M / L	41-43	7-9	7.5-9.5	8.5-10.5	7.5-9.5
XL / XXL	44-46	9.5-11	10-11.5	11-12.5	10-11.5

Fins

To choose the right size of fins, go by your shoe size.

Size	EUROPE	UK	USA
S	36-38	3-5	4-6
M	38-41	5-7	6-8
L	41-43	7-9	8-10
XL	44-46	9-11	10-12

Thermal Parka

Size	Chest		Height
	CM.	IN.	CM.	IN.
S	65 - 90	25 - 35	138 - 167	4/5 - 5/6
M	89 - 99	35 - 39	165 - 185	5/5 - 6/1
L	99 - 115	39 - 45	180 - 198	5/8 - 6/6

HIRU

Size guide for top apparel

HIRU tops have 3 types of fits.

For the best jersey fit, take your measurements based on the diagram and compare your results with the following table.

When deciding on a size, please consider that our apparel fits snug, so we recommend ordering at least one size up if your body measurements are borderline or between sizes.

HIRU designs each product to adapt differently and take advantage of the intrinsic characteristics of the fabrics and materials used in each one.

Bibshort size guide

By following these simple steps, you will find the right shorts for racing, training or leisure rides. Adjust both the bottom and the straps snugly to the body so there are no wrinkles. You’ll experience a light, sticky feel.

Simulate a bike position for a few seconds and check for adequate mobility, then try pinching the fabric in the thigh area. If the fabric returns to its original position upon release, then it’s the right size.

Conversely, if you feel rubbing or constriction, or the seams or straps are too tight, try a larger size. The straps, the elastic bands or the lower part of the leg tend to roll up but can be easily returned to their place with a few small gestures.

The short’s fabric is designed to provide a slight compression effect, and it’s only effective if the fabric remains close to the body.

Man Jersey

	XS (46)	S (48)	M (51)	L (54)	XL (57)	2XL (60)	3XL (62)
A CHEST	88	92	96	100	105	110	115
B WAISTLINE	76	80	84	88	93	98	103
C HIP BONE	92	96	100	104	109	114	119
HEIGHT	150/159	160/169	170/179	180/185	186/190	191/195	-

Woman jersey

	XS (46)	S (48)	M (51)	L (54)	XL (57)	2XL (60)
A CHEST	80	84	88	92	96	100
B WAISTLINE	63/66	67/70	71/74	75/80	79/82	83/86
C HIP BONE	89/92	93/96	97/100	101/104	105/108	109/112
HEIGHT	160	161/170	171/175	176/180	-	-

Man bibshort

	XS (46)	S (48)	M (51)	L (54)	XL (57)	2XL (60)	3XL (62)
B WAISTLINE	76	80	84	88	93	98	103
D LEG LENGTH	70	70	74	76	78	80	82
E LEG INSIDE	24-26	24-26	26-28	26-28	28-30	28-30	28-30

Woman bibshort

	XS (46)	S (48)	M (51)	L (54)	XL (57)	2XL (60)
B WAISTLINE	63/66	67/70	71/74	75/80	79/82	83/86
D LEG LENGTH	66	68	70	72	74	76
E LEG INSIDE	21/23	21/23	23/25	23/25	25/27	25/27

Glove size guide

Palm circumference without thumb.

SIZE	CM	INCH
2XS	17 - 19	6.7 - 7.4
XS	19 - 20	7.4 - 7.8
S	20 - 21	7.8 - 8.2
M	21 - 22	8.2 - 8.6
L	22 - 23	8.6 - 9.0
XL	23 - 25	9.0 - 9.8

Socks size guide

S	M	L
35-37	38-42	43-47

Compare every option

Which Openwater Core TRN is right for you?

Every option in one table, with its own link, price and stock. 3 of 3 in stock today.

Option	Price	SKU	Stock
Size 4	$240 ~~$399~~	ORW-280401-LN	In stock
Size 5	$240 ~~$399~~	ORW-280501-LN	In stock
Size 11	$240 ~~$399~~	ORW-281101-LN	In stock

Ask Kit

Questions about the Openwater Core TRN?

Kit is TriShop's AI assistant. It answers from checked facts and our policies, shows where each answer comes from, and says so when it doesn't know. A person is always one tap away.

Is this a beginner wetsuit?

Orca describes the Openwater Core TRN as a wetsuit for swimmers just starting out in open water, with high flexibility and neutral buoyancy.

Checked by TriShop Orca.com Openwater Core TRN Men Wetsuit page (REF LN28TT01), Wayback snapshot 26 Sep 2022

Are the shoulders flexible?

Orca says the Core TRN has high flexibility in the shoulders.

Checked by TriShop Orca.com Openwater Core TRN Men Wetsuit page (REF LN28TT01), Wayback snapshot 26 Sep 2022

Is it stretchy?

Orca says the highly elastic materials give more flexibility in all phases of the swim stroke, for freedom of movement in open water sessions.

Checked by TriShop Orca.com Openwater Core TRN Men Wetsuit page (REF LN28TT01), Wayback snapshot 26 Sep 2022

How thick is the neoprene?

Orca says 3 mm thick neoprene in the torso and legs provides the thermal insulation.

Checked by TriShop Orca.com Openwater Core TRN Men Wetsuit page (REF LN28TT01), Wayback snapshot 26 Sep 2022

About this product

Orca Openwater Core TRN Men's Wetsuit

The Openwater Core TRN is the perfect wetsuit for swimmers who are just starting out in open water. This wetsuit features high flexibility and neutral buoyancy. The high flexibility in the shoulders makes your first workouts in open water wonderfully comfortable, while the buoyancy will keep you feeling secure.

Characteristics

FLEXIBILITY
The highly elastic materials used in this wetsuit will provide you with more flexibility in all phases of the swim stroke, so you can enjoy total freedom of movement during your open water swimming sessions.

THERMAL INSULATION
The 3 mm thick neoprene in the torso and legs will provide you with the necessary thermal insulation so that you can extend your adventures at sea without worrying about low temperatures.

NEUTRAL BUOYANCY
The 3 mm panels will allow you to maintain neutral buoyancy, improving your position and allowing you to move through the water quickly.

Questions

Before you buy

From our FAQ and returns policy. Something else? Ask us.

Does the Openwater Core TRN count toward free shipping?

No. It's on sale, and sale and clearance items don't count toward the $200 free-shipping threshold. An order without $200 of full-price items ships for a flat $16.45.

How long does delivery take?

Ships direct from Orca's Australian supplier. Most orders arrive 4 to 7 business days after you order (longer to remote areas). Enter your postcode on this page for dates.

Can I return the Openwater Core TRN?

Sale and clearance items are final sale, so they can't be returned for change of mind or sizing. Faulty, damaged or incorrect items are always covered.

Can I use the $20 sign-up code?

No. The $20 sign-up code isn't valid on sale or clearance items, and this is on sale. It works on full-price gear (first order, $100 or more).

How do I choose my size?

Use the ORCA Sizing guide on this page. Orca sizes by chest, height and weight; when in doubt, go by chest, because the suit has to fit well there.

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