Updated: September, 2025

Best triathlon wetsuits

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1

Synergy

9.9

Exceptional

Synergy Endorphin Men's Full Sleeve Triathlon Wetsuit (Black/Blue, L1)

Why we love it

Exceptional flexibility for full range of motion.

Maximum buoyancy for enhanced speed and energy saving.

Soft neck design for ultimate comfort.

Main highlights

Superior Performance and Comfort
Made from Yamamoto 39 neoprene with SCS silicone coating for high flexibility and comfort.

Ideal for Triathlons and Open Water
Ironman and USAT approved, perfect for all levels of triathletes.

Praised for Comfort and Fit
Wide range of sizes ensures a perfect fit, enhancing comfort.

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How do we rank?

Using our advanced technology, we scan thousands of products and stores, analyzing reviews, ratings, and trends to find what matters most to users like you.

Our team then reviews the data and real user feedback, combining AI and human insights to bring you real-time, top-rated recommendations to guide your decisions with clarity and confidence.
2

XTERRA WETSUITS

9.8

Exceptional

Xterra Vortex Triathlon Wetsuit Fullsuit (Large)

Main highlights

WORLD'S FASTEST TRIATHLON WETSUIT - America's best selling triathlon wetsuit is ideal for athletes who want an all-around wetsuit to use while training and racing.

MAXIMUM BUOYANCY - Our limestone-based neoprene is 5 mm thick on the front to get you high in the water, and 3 mm on the back for flexible body movement. The arms are 1.5 mm thick so you are not fighting your wetsuit with each stroke.

FLEXIBLE AND DURABLE - The new Vortex Triathlon Wetsuit offers the perfect combination of performance, flexibility, and durability for smoother transitions and its upgraded neoprene provides greater overall flexibility and buoyancy.

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3

Synergy

9.5

Excellent

Synergy Triathlon Wetsuit 3/2mm - Volution Full Sleeve Smoothskin Neoprene for Open Water Swimming Ironman & USAT Approved (Women, Women's W2)

13% Off

Main highlights

Suitable For All Levels – Ironman approved. Athlete endorsed. Comes in wide range of sizes to ensure a perfect fit.

Proven Technology Equals Superior Performance – Hydrodynamic neoprene with silicone coated SyPrene. 3mm thick core buoyancy panel / 2mm lower legs and back.

Exceptional Functionality – Full range of motion. Highest grade anti-corrode internal wetsuit zipper from YKK which greatly reduces drag as you move through the water. Super soft low neck with smoothskin on both sides and because it is so soft, it feels like you hardly have anything around your neck.

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4

Synergy

9.4

Excellent

Synergy Triathlon Wetsuit 3/2mm - Volution Sleeveless Long John Smoothskin Neoprene for Open Water Swimming Ironman & USAT Approved (Men, Men's L3)

Main highlights

Suitable For All Levels – Ironman approved. Athlete endorsed. Comes in wide range of sizes to ensure a perfect fit.

Proven Technology Equals Superior Performance – Hydrodynamic neoprene with silicone coated SyPrene. 3mm thick core buoyancy panel / 2mm legs and back.

Exceptional Functionality – Full range of motion. Highest grade anti-corrode internal wetsuit zipper from YKK which greatly reduces drag as you move through the water. Super soft low neck with smoothskin on both sides and because it is so soft, it feels like you hardly have anything around your neck.

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5

O'Neill Wetsuits

9.3

Excellent

O'Neill Wetsuits mens Men's Reactor-2 3/2mm Back Zip Full Wetsuits, Black/Black, Large US

25% Off

Why we love it

Ideal for various water activities and beach days.

Ultra-stretch neoprene offers comfort and flexibility.

Wind-resistant smoothskin provides excellent insulation.

Main highlights

Ultra Stretch Neoprene Comfort
The wetsuit features ultra stretch neoprene material for superior flexibility and performance, combined with a backzip system for easy entry and exit.

Ideal for Water Sports
Perfect for surfing, diving, paddle sports, lake activities, and beach days, offering wind-resistant smoothskin for extra insulation and protection against the cold.

Comfortable Fit and Flexibility
Customers frequently praise the wetsuit for its comfortable fit, flexibility, and accurate sizing, making it a reliable choice for various water activities.

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6

Hevto

9.2

Excellent

Hevto Men Wetsuits 3/2mm Neoprene Front Zip Full Wet Suit Keep Warm for Surfing Swimming SUP Snorkeling Diving (M2-Black, L)

Why we love it

Keeps you warm in cold water.

Easy to put on and remove.

Comfortable and snug fit.

Main highlights

Warmth and Buoyancy
The Hevto wetsuit offers excellent insulation and added buoyancy for efficient water sports in cold temperatures.

Versatile Water Activities
Ideal for surfing, swimming, diving, snorkeling, kayaking, and more, providing protection from wind, sunburn, and scratches.

Comfortable Fit
Customers praise the wetsuit's snug fit and comfort, especially in cold water conditions.

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7

O'Neill Wetsuits

9.1

Excellent

O'Neill Men's Reactor-2 2mm Back Zip Short Sleeve Spring Wetsuit, Black/Black, XL

Main highlights

Ultra Stretch Neoprene: Incredibly Soft Premium Material Has Superior Feel, Flexibility, And Elevates Performance

Ideal Entry Level Value Driven Wetsuit; Perfect For Surfing, Diving, Paddle Sports, Lake Activities, And Beach Days

Backzip System Provides Easy Entry And Exit With A Water Resistant Closure

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8

Synergy

9.0

Excellent

Synergy Triathlon Wetsuit 3/2mm - Volution Sleeveless Quick John Smoothskin Neoprene for Open Water Swimming Ironman & USAT Approved (Men, Men's M2)

Main highlights

Suitable For All Levels – Ironman approved. Athlete endorsed. Comes in wide range of sizes to ensure a perfect fit.

Proven Technology Equals Superior Performance – Hydrodynamic neoprene with silicone coated SyPrene. 3mm thick core buoyancy panel / 2mm legs and back.

Exceptional Functionality – Full range of motion. Highest grade anti-corrode internal wetsuit zipper from YKK which greatly reduces drag as you move through the water. Super soft low neck with smoothskin on both sides and because it is so soft, it feels like you hardly have anything around your neck.

More info
9

REALON

8.8

Very Good

REALON Men Women CR Triathlon Wetsuit 3mm Smoothskin Neoprene Full Wet Suits Back Zipper Cold Water Keep Warm for Surfing Snorkeling Diving Scuba

Main highlights

Max Bouyancy: Float higher and move faster, 3mm smooth skin CR triathlon men wetsuit,which is the maximum buoyancy allowed in triathlon wetsuits, creates nearly double the buoyancy than 3mm diving full wet suits

Keep Warm: Back zipper ensures easy entry and exit,Open water super stretch triathlon smoothskin full wetsuit keeping you dry and loose,thermal liner and double superseal neck, keeping you warm in the coldest conditions

Designed for Water Sport: Dive into your favorite water activities with confidence wearing this specially crafted men's CR triathlon wetsuit, such as surfing snorkeling scuba kayaking diving boarding swim

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10

O'Neill Wetsuits

8.7

Very Good

O'Neill Men's O'Riginal 2mm Back Zip Sleeveless Spring Wetsuit, Black, 3X-Large

Main highlights

Should fit snug, but not too tight

Glued and blindstitched seams

2mm Fluid Foam body; 1.5mm FluidFlex legs

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Our top pick

1

Synergy Endorphin Men's Full Sleeve Triathlon Wetsuit (Black/Blue, L1)
The Synergy Triathlon Wetsuit Men's Endorphin Full Sleeve Neoprene is a top-tier choice for triathletes and open water swimmers. Constructed from Yamamoto 39 neoprene with SCS silicone coating, it offers exceptional flexibility and comfort, allowing a full range of motion with 680% flexibility. Ideal for all levels, this wetsuit is Ironman and USAT approved, making it a trusted choice for serious competitors. Its 5mm thick core buoyancy panel ensures maximum buoyancy, helping swimmers float higher and move faster while conserving energy. The soft, low neck design adds to the comfort, feeling almost like nothing is there. With a wide range of sizes available, this wetsuit guarantees a perfect fit. Backed by a 2-year warranty, the Synergy Endorphin wetsuit combines performance with peace of mind, making it a standout option for any aquatic athlete.

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