Best Lightweight Triathlon Suits of 2025

Luke Dobson Avatar
Luke Dobson
Last Updated: 8 Feb 2025

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Lightweight Triathlon Suits are designed for athletes to achieve maximum performance and comfort during triathlon races. These suits are made of breathable and moisture-wicking materials that help regulate body temperature and reduce drag in the water. They are engineered to fit snugly and reduce chafing, allowing for ease of movement during the swim, bike, and run portions of the race. With a wide range of colours and styles available, Lightweight Triathlon Suits are a must-have for any serious triathlete looking to improve their times and overall race experience.

At a Glance: Our Top Picks

FDX Men's Lightweight Triathlon Suit for Duathlons Cover #TOP 1
FDX Men's Lightweight Triathlon Suit for Duathlons
ftb score rating icon 9.8
SLS3 Women's One Piece Triathlon Suit Cover #TOP 2
SLS3 Women's One Piece Triathlon Suit
ftb score rating icon 9.7
Zimco Elite Men's Padded Triathlon Suit Cover #TOP 3
Zimco Elite Men's Padded Triathlon Suit
ftb score rating icon 9.5

Top 5 Lightweight Triathlon Suits

FDX Men's Lightweight Triathlon Suit for Duathlons

FDX
Zion-Blue
FDX Men's Lightweight Triathlon Suit for Duathlons Cover
FDX Men Triathlon Suit - lightweight TriSuit for Duathlon Swimming, Cycling, Running - Quick Dry, Breathable One Piece Sleeveless Bodysuit for Outdoor Sports (Blue-M)

The FDX Triathlon Suit is designed with multi-directional nylon and elastane stretch fabric, ensuring a perfect fit during your activities. Its convenient front zip allows easy wear, while the rear pocket provides essential storage for your items while cycling. You will appreciate the foam padding that minimises water absorption, keeping you comfortable during the run. Additionally, the padded crotch area offers protection and comfort on the bike, making this suit ideal for various outdoor sports.

What We Like
Comfortable and breathable fabric
Convenient front zip
Padded for cycling comfort
Flat seams prevent irritation
Versatile for multiple sports
#TOP 2

SLS3 Women's One Piece Triathlon Suit

SFX1202W
Black/Ocean Blooms
SLS3 Women's One Piece Triathlon Suit Cover
SLS3 Triathlon Suits Women - One Piece Tri Suit Women - Premium PRO FX Womens Triathlon Suit - Lightweight Trisuit Women, Slim Athletic Fit, No Shelf Bra (Black/Ocean Blooms, Large)

The SLS3 Women's Tri Suit offers a tailored fit, ensuring you choose the right size based on both height and weight. The custom foam-cushioned pad provides essential support during cycling and running, helping to prevent chafing. Its lightweight design means you won’t even notice it while racing, and the quick-dry technology keeps you comfortable by wicking away sweat. Moreover, the suit's breathable mesh panels enhance ventilation, allowing you to stay cool and dry throughout your activities.

What We Like
Custom fit for comfort
Chafe-free padding
Lightweight and quick-dry
Excellent ventilation
#TOP 3

Zimco Elite Men's Padded Triathlon Suit

triathlon suits men
Black Dots
Zimco Elite Men's Padded Triathlon Suit Cover
Zimco Elite Triathlon Suit Men Padded Triathlon Tri Suit Race Suit Swim Bike Run, Black Dots, Large

The Zimco Elite Tri Suit offers exceptional comfort and performance for triathletes. Made from 4-way stretchable fabric, it allows you to move freely while swimming, cycling, and running. The Italian fabric features high wicking capabilities, helping to keep you cool during intense activities. Its sleeveless design ensures a full range of motion, while the stretchable material enhances overall comfort. Additionally, side Air Stream mesh inserts provide excellent breathability, allowing your body to stay ventilated and perform at its best.

What We Like
Comfortable 4-way stretch fabric
High wicking keeps you cool
Sleeveless for full motion
Good breathability and ventilation
#TOP 4

MY KILOMETRE Youth Triathlon Race Suit

Boy-trisuitBlueM
Blue
MY KILOMETRE Youth Triathlon Race Suit Cover
MY KILOMETRE Youth Core Triathlon Race Suit Boy Spring Competition Training Suits

The MY KILOMETRE Tri Suit is designed for young athletes participating in triathlons. Made from durable fabrics, it resists wear and tear, ensuring long-lasting use. The 6-mm chamois offers essential comfort and protection, allowing you to focus on your performance. With flatlock stitching, this suit prevents chafing, providing a comfortable fit during training and races. Additionally, the front zipper allows for easy ventilation, while the rear pocket conveniently holds hydration gels, making your race experience smoother and more enjoyable.

What We Like
Durable, long-lasting fabric
Comfortable chamois for support
Chafe-free design
Easy ventilation with zipper
Convenient rear pocket
#TOP 5

MY KILOMETRE Youth Core Triathlon Race Suit

Boy-trisuitRedM
Blue
MY KILOMETRE Youth Core Triathlon Race Suit Cover
MY KILOMETRE Youth Core Triathlon Race Suit Boy Spring Competition Training Suits, Blue, X-Large

The MY KILOMETRE Triathlon Suit is designed with young athletes in mind. Its long-lasting fabric, made from 80% polyester and 20% elastane, ensures durability during rigorous activities. The suit features a 6-mm MK Youth TRI multi-density chamois that offers essential comfort and protection, allowing you to focus on your performance. With flatlock stitching, it helps prevent chafing, ensuring a smooth experience while swimming. Additionally, the front YKK semi-lock zipper allows for easy ventilation, keeping you cool as you compete.

What We Like
Durable, child-proof fabric
Comfortable chamois protection
Chafe-free stitching
Easy ventilation with zipper
Rear pocket for essentials
Buying Guide Image
Editor's Notes

During our lightweight triathlon suit research, we found 17 lightweight triathlon suit products and shortlisted 5 quality products. We collected and analyzed 3,023 customer reviews through our big data system to write the lightweight triathlon suits list. We found that most customers choose lightweight triathlon suits with an average price of £75.21.

The lightweight triathlon suits are available for purchase. We have researched hundreds of brands and picked the top brands of lightweight triathlon suits, including FDX, SLS3, Zimco Cycle Wear, MY KILOMETRE. The seller of top 1 product has received honest feedback from 457 consumers with an average rating of 4.7.

Written by
Luke Dobson Avatar

Luke is a runner, a climber, hiker, hunter, and a lot more. Luke Dobson is Celtic-born and has lived most of his life in Scotland. However, his sporting endeavours have taken him to several countries around Europe. He serves as a tour guide for countless companies and owns a couple of gyms and recreational centres in Scotland. Luke Dobson is proficient in 7 different languages. He maintains many sport article columns where he shares his wealth of experience in the sport industry.