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MEN'S GEAR

Maverick X.3
The fastest wetsuit ever.

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

SIM Pro.3
Train smarter.

WOMEN'S GEAR

Maverick X.3
The fastest wetsuit ever.

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

LCB Swimwear
Train like the mermaid.

NEW RELEASES

T1X Transition Pack
For race day. Training day. Travel Day. Every day.

R2 Goggle
The ultimate high-performance goggle.

Maverick X.3 Thermal
The fastest cold water wetsuit ever.

Viper X.3 Ghost
Our fastest swimskin ever.

BESTSELLERS

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.

SIM Pro.3
Train smarter. Swim faster.

R1 Goggles
Maximum forward visibility in open water.

Read the Field Report

LATEST POST:
From a yoyo to the world's fastest wetsuits

IRONMAN water temperatures wetsuit legal

FEATURED:
Water Temp for Every IRONMAN and 70.3 Race

SAME SPEED, LESS MONEY

Great deals on past-season and open-box gear.

THE OUTLET

Wetsuits Outlet

Swimskins Outlet

Run Apparel Outlet

Women's Viper Pro.3 Swimskin
Women's Viper Pro.3 Swimskin
Women's Viper Pro.3 Swimskin
Women's Viper Pro.3 Swimskin

Women's Viper Pro.3 Swimskin

$325
Size: Extra Small

THIS SWIMSKIN IS DESIGNED FOR:

Proven speed and tech at a more accessible price.

This sleek swimskin sheds drag, supports a tight body line, and gets you out of the water faster—without the top-tier price tag. With Italian stretch-woven fabrics made from recycled nylon, bonded seams, and drag-defying hydrophobic coatings—this is a premium suit built for triathletes who refuse to compromise on performance.

Think of it as free speed for non-wetsuit swims.

WHAT'S A SWIMSKIN? AND WHEN TO HAVE ONE.

Swimskins are used in warm water races (above 76.1°F / 24.5°C) when wetsuits aren’t legal. They reduce drag by covering your tri kit with an ultra fast, hydrophobic layer—and will save you several minutes in the water.

Because race-day water temps can swing by a few degrees, it’s smart to pack a swimskin for any race where water is expected to be over 70°F / 21°C.

Wondering the water temp for your race? This page shows the average historical water temperature for every IRONMAN and IRONMAN 70.3 race in the world. 

Size Chart Size Chart

What you'll feel:

What you'll feel:

Fast and frictionless from the first stroke to T1, the Viper Pro.3 slices through the water with a barely-there, hydrodynamic feel. Targeted compression stabilizes your core, while unrestricted shoulders and arms let you hold form and power through every stroke. Advanced hydrophobic coatings and bonded seams shed water and drag, keeping you cool, efficient, and primed for the bike.

Fast and frictionless from the first stroke to T1, the Viper Pro.3 slices through the water with a barely-there, hydrodynamic feel. Targeted compression stabilizes your core, while unrestricted shoulders and arms let you hold form and power through every stroke. Advanced hydrophobic coatings and bonded seams shed water and drag, keeping you cool, efficient, and primed for the bike.

Who it's built for:

Who it's built for:

  1. Triathletes racing in warm, non-wetsuit legal conditions who want proven ROKA speed without the pro price.
  2. Age-groupers and first-time Ironman athletes looking for a faster, sleeker alternative to a tri suit swim.
  3. Athletes who seek quality fabrics and pro-level details but don’t need every elite-spec feature of the Viper X.3.

  1. Triathletes racing in warm, non-wetsuit legal conditions who want proven ROKA speed without the pro price.
  2. Age-groupers and first-time Ironman athletes looking for a faster, sleeker alternative to a tri suit swim.
  3. Athletes who seek quality fabrics and pro-level details but don’t need every elite-spec feature of the Viper X.3.

Under the hood:
What makes it fast?

Under the hood:
What makes it fast?

  1. Hydrophobic Technology: Italian-woven textiles with Teflon® coating to repel water and shed drag.
  2. Bonded Seam Construction: Smooth, hidden reinforcement for durability without irritation.
  3. Light Compression: Keep your hips high and body line straight for better efficiency.
  4. Breakaway Auto-Lock Zipper: Quick release for fast T1 transitions.
  1. Hydrophobic Technology: Italian-woven textiles with Teflon® coating to repel water and shed drag.
  2. Bonded Seam Construction: Smooth, hidden reinforcement for durability without irritation.
  3. Light Compression: Keep your hips high and body line straight for better efficiency.
  4. Breakaway Auto-Lock Zipper: Quick release for fast T1 transitions.

Specs at a Glance

Select up to Three Models & Compare Features

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.
ENGLISH
METRIC
Select Your Height
≤4'11"
5'0'
5'1"
5'2"
5'3"
5'4"
5'5"
5'6"
5'7"
5'8"
5'9"
5'10"
5'11"
6'0"+
≤4'11"
95 - 99 LBS
XS
100 - 104 LBS
S
105 - 109 LBS
S
110 - 114 LBS
M
5'0"
95 - 99 LBS
XS
100 - 104 LBS
XS
105 - 109 LBS
S
110 - 114 LBS
M
115 - 119 LBS
M
120 - 124 LBS
L
5'1"
95 - 99 LBS
XS
100 - 104 LBS
XS
105 - 109 LBS
XS
110 - 114 LBS
S
115 - 119 LBS
M
120 - 124 LBS
L
125 - 129 LBS
L
5'2"
95 - 99 LBS
XS
100 - 104 LBS
XS
105 - 109 LBS
S
110 - 114 LBS
S
115 - 119 LBS
M
120 - 124 LBS
M
125 - 129 LBS
L
130 - 134 LBS
L
5'3"
95 - 99 LBS
S
100 - 104 LBS
S
105 - 109 LBS
S
110 - 114 LBS
S
115 - 119 LBS
M
120 - 124 LBS
M
125 - 129 LBS
L
130 - 134 LBS
L
135 - 139 LBS
XL
5'4"
105 - 109 LBS
S
110 - 114 LBS
S
115 - 119 LBS
M
120 - 124 LBS
M
125 - 129 LBS
M
130 - 134 LBS
L
135 - 139 LBS
XL
140 - 144 LBS
XL
5'5"
105 - 109 LBS
ST
110 - 114 LBS
ST
115 - 119 LBS
ST
120 - 124 LBS
M
125 - 129 LBS
M
130 - 134 LBS
L
135 - 139 LBS
L
140 - 144 LBS
XL
145 - 149 LBS
XL
5'6"
105 - 109 LBS
ST
110 - 114 LBS
ST
115 - 119 LBS
ST
120 - 124 LBS
ST
125 - 129 LBS
M
130 - 134 LBS
L
135 - 139 LBS
L
140 - 144 LBS
XL
145 - 149 LBS
XL
5'7"
110 - 114 LBS
ST
115 - 119 LBS
ST
120 - 124 LBS
ST
125 - 129 LBS
M
130 - 134 LBS
L
135 - 139 LBS
L
140 - 144 LBS
XL
145 - 149 LBS
XL
150 - 154 LBS
XL
155 - 159 LBS
XXL
160 - 164 LBS
XXL
5'8"
110 - 114 LBS
ST
115 - 119 LBS
MT
120 - 124 LBS
MT
125 - 129 LBS
M
130 - 134 LBS
L
135 - 139 LBS
L
140 - 144 LBS
L
145 - 149 LBS
XL
150 - 154 LBS
XL
155 - 159 LBS
XXL
160 - 164 LBS
XXL
5'9"
110 - 114 LBS
MT
115 - 119 LBS
MT
120 - 124 LBS
MT
125 - 129 LBS
MT
130 - 134 LBS
MT
135 - 139 LBS
L
140 - 144 LBS
L
145 - 149 LBS
XL
150 - 154 LBS
XL
155 - 159 LBS
XL
160 - 164 LBS
XXL
165 - 169 LBS
XXL
5'10"
115 - 119 LBS
MT
120 - 124 LBS
MT
125 - 129 LBS
MT
130 - 134 LBS
MT
135 - 139 LBS
LT
140 - 144 LBS
LT
145 - 149 LBS
LT
150 - 154 LBS
XL
155 - 159 LBS
XL
160 - 164 LBS
XXL
165 - 169 LBS
XXL
5'11"
125 - 129 LBS
MT
130 - 134 LBS
LT
135 - 139 LBS
LT
140 - 144 LBS
LT
145 - 149 LBS
LT
150 - 154 LBS
LT
155 - 159 LBS
XL
160 - 164 LBS
XL
165 - 169 LBS
XXL
170 - 174 LBS
XXL
6'0"+
125 - 129 LBS
LT
130 - 134 LBS
LT
135 - 139 LBS
LT
140 - 144 LBS
LT
145 - 149 LBS
LT
150 - 154 LBS
LT
155 - 159 LBS
LT
160 - 164 LBS
XL
165 - 169 LBS
XXL
170 - 174 LBS
XXL
Select Your Height
≤150cm
152cm
155cm
158cm
160cm
163cm
165cm
168cm
170cm
173cm
175cm
178cm
180cm
183cm+
≤150cm
43 - 45 KG
XS
45 - 47 KG
S
48 - 49 KG
S
50 - 52 KG
M
152cm
43 - 45 KG
XS
45 - 47 KG
XS
48 - 49 KG
S
50 - 52 KG
M
52 - 54 KG
M
54 - 56 KG
L
155cm
43 - 45 KG
XS
45 - 47 KG
XS
48 - 49 KG
XS
50 - 52 KG
S
52 - 54 KG
M
54 - 56 KG
L
57 - 59 KG
L
158cm
43 - 45 KG
XS
45 - 47 KG
XS
48 - 49 KG
S
50 - 52 KG
S
52 - 54 KG
M
54 - 56 KG
M
57 - 59 KG
L
59 - 61 KG
L
160cm
43 - 45 KG
S
45 - 47 KG
S
48 - 49 KG
S
50 - 52 KG
S
52 - 54 KG
M
54 - 56 KG
M
57 - 59 KG
L
59-61 KG
L
61-63 KG
XL
163cm
48 - 49 KG
S
50 - 52 KG
S
52 - 54 KG
M
54 - 56 KG
M
57 - 59 KG
M
59 - 61 KG
L
61 - 63 KG
XL
63 - 65 KG
XL
165cm
48 - 49 KG
ST
50 - 52 KG
ST
52 - 54 KG
ST
54 - 56 KG
M
57 - 59 KG
M
59 - 61 KG
L
61 - 63 KG
L
63 - 65 KG
XL
66 - 68 KG
XL
168cm
48 - 49 KG
ST
50 - 52 KG
ST
52 - 54 KG
ST
54 - 56 KG
ST
57 - 59 KG
M
59 - 61 KG
L
61 - 63 KG
L
63 - 65 KG
XL
66 - 68 KG
XL
170cm
50 - 52 KG
ST
52 - 54 KG
ST
54 - 56 KG
ST
57 - 59 KG
M
59 - 61 KG
L
61 - 63 KG
L
63 - 65 KG
XL
66 - 68 KG
XL
68 - 70 KG
XL
70 - 72 KG
XXL
72 - 74 KG
XXL
173cm
50 - 52 KG
ST
52 - 54 KG
MT
54 - 56 KG
MT
57 - 59 KG
M
59 - 61 KG
L
61 - 63 KG
L
63 - 65 KG
L
66 - 68 KG
XL
68 - 70 KG
XL
70 - 72 KG
XXL
72 - 74 KG
XXL
175cm
50 - 52 KG
MT
52 - 54 KG
MT
54 - 56 KG
MT
57 - 59 KG
MT
59 - 61 KG
MT
61 - 63 KG
L
63 - 65 KG
L
66 - 68 KG
XL
68 - 70 KG
XL
70 - 72 KG
XL
72 - 74 KG
XXL
75 - 77 KG
XXL
178cm
52 - 54 KG
MT
54 - 56 KG
MT
57 - 59 KG
MT
59 - 61 KG
MT
61 - 63 LBS
LT
63 - 65 KG
LT
66 - 68 KG
LT
68 - 70 KG
XL
70 - 72 KG
XL
72 - 74 KG
XXL
75 - 77 KG
XXL
180cm
57 - 59 KG
MT
59 - 61 KG
LT
61 - 63 KG
LT
63 - 65 KG
LT
66 - 68 KG
LT
68 - 70 KG
LT
70 - 72 KG
XL
72 - 74 KG
XL
75 - 77 KG
XXL
77 - 79 KG
XL
183cm+
57 - 59 KG
LT
59 - 61 KG
LT
61 - 63 KG
LT
63 - 65 KG
LT
66 - 68 KG
LT
68 - 70 KG
LT
70 - 72 KG
LT
72 - 74 KG
XL
75 - 77 KG
XXL
77 - 79 KG
XXL

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