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The fastest cold water wetsuit ever.

Viper X.3 Ghost
Our fastest swimskin ever.

Maverick X.3
The fastest wetsuit ever.

Elite Aero Tri Suit
Wind-tunnel-tested.
Real-world-proven.

Viper X.3
The most popular swimskins in Kona.

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Train smarter. Swim faster.

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Men's Viper Pro Swimskin

Size: Extra Small

ALL OUTLET ITEMS: We accept exchanges or returns for store credit, but outlet items are not eligible for a refund. Our standard warranty still applies.

Size Chart Size Chart

MEN'S VIPER PRO SWIMSKIN

The Viper Pro is the tip of the sword in the triathlon swimskin (aka "speed suit") market. In designing the Viper Pro, we relished the challenge of creating a swimskin that lives up to the ROKA standard set by the Maverick Pro wetsuit. We took the same uncompromising, ground-up design approach based on years of competitive swimming and triathlon experience, and we strategically incorporated all the latest advances in performance swimwear materials and construction.

The Viper Pro swimskin is USAT and WTC legal and uses two varieties of the same premium stretch-woven textile from Italy, a hydrophobic Teflon® coating, high-tech bonded seam construction with novel hidden stitch reinforcement, a low profile autolocking YKK zipper and a pattern orientation and layout strategically designed to liberate your arms while providing support where you need it.  We use flat seams at the leg opening to avoid "sausage legs" created by elastic bands with silicone grippers. All of these little details add up to free speed on race day.  The Viper Pro comes with atomic yellow graphics.

If you have a non-wetsuit race on your calendar, the ROKA Viper Pro offers the ultimate in swimskin performance.

Viper Pro Swimskin

VIPER SWIMSKIN Size Chart

FIT TIPS

  • Swimskins should fit snugly but comfortably without inhibiting your breathing or arm movement. Fit may feel different while swimming vs. on land, so make sure to try the suit in the water. They are meant to have a tight, compression fit, like a competition pool swimming suit.
  • Note that swimskins are meant to be worn on top of a race top/bottom or race suit only for the swim portion of the race. They are very specific, high performance garments not meant to be worn alone like traditional swimwear and the suits can be see-through under certain light or when wet. Undergarments such as a tri kit or swimsuit are strongly advised.
  • Your race kit will affect the fit slightly, so please be sure to try them on and swim in them with your race kit or another suit underneath.
Select your height, then locate your suggested size based on your weight.
Select Your Height
5'4"
125 - 129 LBS
XS
130 - 134 LBS
S
135 - 139 LBS
S
140 - 144 LBS
M
145 - 149 LBS
M
150 - 154 LBS
L
5'5"
125 - 129 LBS
XS
130 - 134 LBS
XS
135 - 139 LBS
S
140 - 144 LBS
S
145 - 149 LBS
M
150 - 154 LBS
M
155 - 159 LBS
L
160 - 164 LBS
L
165 - 169 LBS
L
5'6"
125 - 129 LBS
XS
130 - 134 LBS
XS
135 - 139 LBS
XS
140 - 144 LBS
S
145 - 149 LBS
M
150 - 154 LBS
M
155 - 159 LBS
L
160 - 164 LBS
L
165 - 169 LBS
L
170 - 174 LBS
L
175 - 179 LBS
L
180 - 184 LBS
XL
5'7"
125 - 129 LBS
XS
130 - 134 LBS
XS
135 - 139 LBS
XS
140 - 144 LBS
S
145 - 149 LBS
M
150 - 154 LBS
M
155 - 159 LBS
M
160 - 164 LBS
L
165 - 169 LBS
L
170 - 174 LBS
L
175 - 179 LBS
L
180 - 184 LBS
XL
185 - 189 LBS
XL
190 - 194 LBS
XL
5'8"
125 - 129 LBS
S
130 - 134 LBS
S
135 - 139 LBS
S
140 - 144 LBS
S
145 - 149 LBS
M
150 - 154 LBS
M
155 - 159 LBS
M
160 - 164 LBS
M
165 - 169 LBS
L
170 - 174 LBS
L
175 - 179 LBS
L
180 - 184 LBS
L
185 - 189 LBS
XL
190 - 194 LBS
XL
195 - 199 LBS
XL
5'9"
125 - 129 LBS
S
130 - 134 LBS
S
135 - 139 LBS
S
140 - 144 LBS
S
145 - 149 LBS
M
150 - 154 LBS
M
155 - 159 LBS
M
160 - 164 LBS
M
165 - 169 LBS
L
170 - 174 LBS
L
175 - 179 LBS
L
180 - 184 LBS
L
185 - 189 LBS
L
190 - 194 LBS
XL
195 - 199 LBS
XL
200 - 204 LBS
XL
205 - 209 LBS
XXL
5'10"
125 - 129 LBS
S
130 - 134 LBS
S
135 - 139 LBS
S
140 - 144 LBS
S
145 - 149 LBS
S
150 - 154 LBS
M
155 - 159 LBS
M
160 - 164 LBS
M
165 - 169 LBS
M
170 - 174 LBS
L
175 - 179 LBS
L
180 - 184 LBS
L
185 - 189 LBS
L
190 - 194 LBS
L
195 - 199 LBS
XL
200 - 204 LBS
XL
205 - 209 LBS
XXL
210 - 214 LBS
XXL
5'11"
130 - 134 LBS
ST
135 - 139 LBS
ST
140 - 144 LBS
ST
145 - 149 LBS
ST
150 - 154 LBS
M
155 - 159 LBS
M
160 - 164 LBS
M
165 - 169 LBS
MT
170 - 174 LBS
L
175 - 179 LBS
L
180 - 184 LBS
L
185 - 189 LBS
L
190 - 194 LBS
L
195 - 199 LBS
XL
200 - 204 LBS
XL
205 - 209 LBS
XL
210 - 214 LBS
XXL
6'0"
135 - 139 LBS
ST
140 - 144 LBS
ST
145 - 149 LBS
ST
150 - 154 LBS
ST
155 - 159 LBS
M
160 - 164 LBS
M
165 - 169 LBS
MT
170 - 174 LBS
MT
175 - 179 LBS
L
180 - 184 LBS
L
185 - 189 LBS
L
190 - 194 LBS
L
195 - 199 LBS
XL
200 - 204 LBS
XL
205 - 209 LBS
XL
210 - 214 LBS
XXL
215 - 219 LBS
XXL
6'1"
140 - 144 LBS
ST
145 - 149 LBS
ST
150 - 154 LBS
ST
155 - 159 LBS
M
160 - 164 LBS
M
165 - 169 LBS
MT
170 - 174 LBS
MT
175 - 179 LBS
MT
180 - 184 LBS
L
185 - 189 LBS
L
190 - 194 LBS
L
195 - 199 LBS
L
200 - 204 LBS
XL
205 - 209 LBS
XL
210 - 214 LBS
XL
215 - 219 LBS
XXL
220 - 224 LBS
XXL
6'2"
145 - 149 LBS
ST
150 - 154 LBS
ST
155 - 159 LBS
ST
160 - 164 LBS
ST
165 - 169 LBS
MT
170 - 174 LBS
MT
175 - 179 LBS
MT
180 - 184 LBS
MT
185 - 189 LBS
L
190 - 194 LBS
L
195 - 199 LBS
L
200 - 204 LBS
XL
205 - 209 LBS
XL
210 - 214 LBS
XL
215 - 219 LBS
XXL
220 - 224 LBS
XXL
6'3"
150 - 154 LBS
ST
155 - 159 LBS
ST
160 - 164 LBS
ST
165 - 169 LBS
MT
170 - 174 LBS
MT
175 - 179 LBS
MT
180 - 184 LBS
MT
185 - 189 LBS
MT
190 - 194 LBS
LT
195 - 199 LBS
LT
200 - 204 LBS
LT
205 - 209 LBS
XL
210 - 214 LBS
XL
215 - 219 LBS
XL
220 - 224 LBS
XXL
225 - 229 LBS
XXL
6'4"
165 - 169 LBS
MT
170 - 174 LBS
MT
175 - 179 LBS
MT
180 - 184 LBS
MT
185 - 189 LBS
MT
190 - 194 LBS
LT
195 - 199 LBS
LT
200 - 204 LBS
LT
205 - 209 LBS
LT
210 - 214 LBS
XL
215 - 219 LBS
XL
220 - 224 LBS
XL
225 - 229 LBS
XXL
6'5"
170 - 174 LBS
MT
175 - 179 LBS
MT
180 - 184 LBS
MT
185 - 189 LBS
LT
190 - 194 LBS
LT
195 - 199 LBS
LT
200 - 204 LBS
LT
205 - 209 LBS
LT
210 - 214 LBS
LT
215 - 219 LBS
XL
220 - 224 LBS
XL
225 - 229 LBS
XXL
230 - 240+ LBS
XXL
6'6"+
180 - 184 LBS
LT
185 - 189 LBS
LT
190 - 194 LBS
LT
195 - 199 LBS
LT
200 - 204 LBS
LT
205 - 209 LBS
LT
210 - 214 LBS
LT
215 - 219 LBS
XL
220 - 224 LBS
XL
225 - 229 LBS
XL
230 - 240+ LBS
XXL
Select Your Height
163cm
57 - 59 KG
XS
59 - 61 KG
S
61 - 63 KG
S
63 - 65 KG
M
66 - 68 KG
M
68 - 70 KG
L
165cm
57 - 59 KG
XS
59 - 61 KG
XS
61 - 63 KG
S
63 - 65 KG
S
66 - 68 KG
M
68 - 70 KG
M
70 - 72 KG
L
72 - 74 KG
L
75 - 77 KG
L
168cm
57 - 59 KG
XS
59 - 61 KG
XS
61 - 63 KG
XS
63 - 65 KG
S
66 - 68 KG
M
68 - 70 KG
M
70 - 72 KG
L
72 - 74 KG
L
75 - 77 KG
L
77 - 79 KG
L
79 - 81 KG
L
82 - 84 KG
XL
170cm
57 - 59 KG
XS
59 - 61 KG
XS
61 - 63 KG
XS
63 - 65 KG
S
66 - 68 KG
M
68 - 70 KG
M
70 - 72 KG
M
72 - 74 KG
L
75 - 77 KG
L
77 - 79 KG
L
79 - 81 KG
L
82 - 84 KG
XL
84 - 86 KG
XL
86 - 88 KG
XL
173cm
57 - 59 KG
S
59 - 61 KG
S
61 - 63 KG
S
63 - 65 KG
S
66 - 68 KG
M
68 - 70 KG
M
70 - 72 KG
M
72 - 74 KG
M
75 - 77 KG
L
77 - 79 KG
L
79 - 81 KG
L
82 - 84 KG
L
84 - 86 KG
XL
86 - 88 KG
XL
88 - 90 KG
XL
175cm
57 - 59 KG
S
59 - 61 KG
S
61 - 63 KG
S
63 - 65 KG
S
66 - 68 KG
M
68 - 70 KG
M
70 - 72 KG
M
72 - 74 KG
M
75 - 77 KG
L
77 - 79 KG
L
79 - 81 KG
L
82 - 84 KG
L
84 - 86 KG
L
86 - 88 KG
XL
88 - 90 KG
XL
91 - 93 KG
XL
93- 95 KG
XXL
178cm
57 - 59 KG
S
59 - 61 KG
S
61 - 63 KG
S
63 - 65 KG
S
66 - 68 KG
S
68 - 70 KG
M
70 - 72 KG
M
72 - 74 KG
M
75 - 77 KG
M
77 - 79 KG
L
79 - 81 KG
L
82 - 84 KG
L
84 - 86 KG
L
86 - 88 KG
L
88 - 90 KG
XL
91 - 93 KG
XL
93- 95 KG
XXL
95 - 97 KG
XXL
180cm
59 - 61 KG
ST
61 - 63 KG
ST
63 - 65 KG
ST
66 - 68 KG
ST
68 - 70 KG
M
70 - 72 KG
M
72 - 74 KG
M
75 - 77 KG
MT
77 - 79 KG
L
79 - 81 KG
L
82 - 84 KG
L
84 - 86 KG
L
86 - 88 KG
L
88 - 90 KG
XL
91 - 93 KG
XL
93- 95 KG
XL
95 - 97 KG
XXL
183cm
61 - 63 KG
ST
63 - 65 KG
ST
66 - 68 KG
ST
68 - 70 KG
ST
70 - 72 KG
M
72 - 74 KG
M
75 - 77 KG
MT
77 - 79 KG
MT
79 - 81 KG
L
82 - 84 KG
L
84 - 86 KG
L
86 - 88 KG
L
88 - 90 KG
XL
91 - 93 KG
XL
93- 95 KG
XL
95 - 97 KG
XXL
97 - 99 KG
XXL
185cm
63 - 65 KG
ST
66 - 68 KG
ST
68 - 70 KG
ST
70 - 72 KG
M
72 - 74 KG
M
75 - 77 KG
MT
77 - 79 KG
MT
79 - 81 KG
MT
82 - 84 KG
L
84 - 86 KG
L
86 - 88 KG
L
88 - 90 KG
L
91 - 93 KG
XL
93- 95 KG
XL
95 - 97 KG
XL
97 - 99 KG
XXL
100 - 102 KG
XXL
188cm
66 - 68 KG
ST
68 - 70 KG
ST
70 - 72 KG
ST
72 - 74 KG
ST
75 - 77 KG
MT
77 - 79 KG
MT
79 - 81 KG
MT
82 - 84 KG
MT
84 - 86 KG
L
86 - 88 KG
L
88 - 90 KG
L
91 - 93 KG
XL
93- 95 KG
XL
95 - 97 KG
XL
97 - 99 KG
XXL
100 - 102 KG
XXL
191cm
68 - 70 KG
ST
70 - 72 KG
ST
72 - 74 KG
ST
75 - 77 KG
MT
77 - 79 KG
MT
79 - 81 KG
MT
82 - 84 KG
MT
84 - 86 KG
MT
86 - 88 KG
LT
88 - 90 KG
LT
91 - 93 KG
LT
93- 95 KG
XL
95 - 97 KG
XL
97 - 99 KG
XL
100 - 102 KG
XXL
102 - 104 KG
XXL
193cm
75 - 77 KG
MT
77 - 79 KG
MT
79 - 81 KG
MT
82 - 84 KG
MT
84 - 86 KG
MT
86 - 88 KG
LT
88 - 90 KG
LT
91 - 93 KG
LT
93- 95 KG
LT
95 - 97 KG
XL
97 - 99 KG
XL
100 - 102 KG
XL
102 - 104 KG
XXL
196cm
77 - 79 KG
MT
79 - 81 KG
MT
82 - 84 KG
MT
84 - 86 KG
LT
86 - 88 KG
LT
88 - 90 KG
LT
91 - 93 KG
LT
93- 95 KG
LT
95 - 97 KG
XL
97 - 99 KG
XL
100 - 102 KG
XL
102 - 104 KG
XXL
104 - 109+ KG
XXL
198cm
82 - 84 KG
LT
84 - 86 KG
LT
86 - 88 KG
LT
88 - 90 KG
LT
91 - 93 KG
LT
93- 95 KG
LT
95 - 97 KG
LT
97 - 99 KG
XL
100 - 102 KG
XL
102 - 104 KG
XL
104 - 109+ KG
XXL

Overall rating: 4.4473686 / 5 from 114 reviews.

AI Generated Review Summary

Customers appreciate the Men's Viper Pro Swimskin for its outstanding quality, durability, and great fit. The swimskin provides a smooth and comfortable swimming experience. However, some customers have noted issues with the zipper being too small and unusable.

Summary topics

  • Material Quality: 7%
  • Product Fit: 29%
  • Product Feel: 8%
  • Swimskin Quality: 20%
  • Swimming Experience: 7%

Review topics: ["fit","quality","fabric","issues","design","material","comfort","feels","stretch","movement","customer service","shipping","neck","difference","performance","swimskin","skin","suit","lanyard","swim","roka","breathing","wetsuit","stroke","thighs","race","team"].

Review highlights

  • "Roka Swim Skins and Wetsuits fit me well and very happy with quality and performance."Jan F.
  • "High quality smooth swim."Kevin H.
  • "Good quality and fits perfectly"Foo H.

Reviews

Muy confortable y ligero para

"Muy confortable y ligero para la natación, le hubiera añadido una cinta para la cremallera, imposible abrochar solo"

JESUS M. (5/5)

Excelente producto.

"Producto de acuerdo a la descripción."

ANDRES M. (5/5)

Why This Swimskin Is Worth It

"As a highly experienced swimmer working in the aquatics industry, I’ve tried a wide range of gear over the years and this swimskin stands out. Whether you're racing in open water, it provides a noticeable performance edge by reducing drag and improving body position in the water. What really sets it apart is how it adds a layer of thermal protection. While it’s not a full wetsuit, it does help retain body heat, which can make a big difference when you're swimming in cool conditions especially in 72°F-ish water where you don’t want to overheat, but still appreciate a little extra warmth. It fits snugly without restricting movement and feels light in the water, allowing for a natural stroke and comfortable range of motion. The quality of the materials and the way it’s designed really shows. If you’re serious about open water swimming, triathlons, or just want a bit more comfort and want some speed in your race, I highly recommend giving this swimskin a try. You’ll feel the difference from your swim."

Yean J. (5/5)

très bonne produits

"très bonne produits"

Didier C. (5/5)

Learning swimskins

"This Roka swim skin ,seems good I feel a little bouncy. Wearing in week 2 at pool. As well it gives of protection like skin and gills of a fish. Not so good with rear zipper. Struggling a bit. So all in all A- for putting on A+ for comfort and wear ,competition."

Jacob K. (5/5)

No lanyard

"There is no lanyard to pull the zipper up so basically I need someone to zip it up for me every time… the fit and material quality is good."

Michal K. (3/5)

Fit as described and great product

"Roka Swim Skins and Wetsuits fit me well and very happy with quality and performance."

Jan F. (4/5)

Un traje que debes tener - Perfect Fit and Look

"Espectacular. El calce es perfecto. La sensación de llevarlo puesto es indescriptible. Super suave, el fitting es realmente comp una segunda piel. Ni una sola arruga en ningun lado. El look es muy muy pro. La única critica es que los logos e inscripciones se salen con facilidad cuando uno lleva el traje de neopren arriba y al colocarlo y sacarlo la fricción contra las inscripciónes de goma se comienzan a salir muy rapido. Lo recomiendo ampliamente"

Santiago B. (4/5)

I’m very disappointed there is

"I’m very disappointed there is no lanyard to pull the zipper up. I swim alone often with no one to zip it for me. I contemplated returning it but the price I bought it for was too good. I’ll be bringing it to a tailor to add a lanyard of some kind. I also don’t like the type of grip material on the legs. My previous ROKA swim skin did not have that and had a string to pull zipper up and down."

Kristy B. (3/5)

The product was very good,

"The product was very good, but I thought it was a little smaller than the recommended size."

DONGHWAN K. (5/5)

Q&A

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