Which wetsuit is right for your next triathlon?

• March 24 2026, by Julian Spraakman
• 10 min reading time

Unsure which wetsuit you need for your next triathlon? Whether you're doing your first sprint or training for a full Ironman, the right wetsuit makes a huge difference in comfort, confidence and speed in the water.

At TriathlonWorld, we work with a carefully selected range of wetsuits, from entry-level to absolute top-of-the-line. In this guide, we'll help you choose. Will you read along with us?

👉 We'll take you step by step:

• From beginner → advanced → elite
• By wetsuit: for whom, why and when
• With clear differences between the models

So you choose the perfect wetsuit for your level and ambitions.

Sailfish Ignite 3 - The best choice for your first triathlon

The Sailfish Ignite 3 is the entry-level model for triathletes starting out in open water swimming. This wetsuit is all about comfort, confidence and accessibility.

What makes the Ignite 3 strong:

• Very comfortable fit
• Lots of freedom of movement in shoulders
• Balanced buoyancy
• Soft inner lining against chafing
• Durable and forgiving material

For whom.

• First triathlon
• Beginning open water swimmers
• Recreational athletes

Distance (recommendation):
Sprint to Olympic (also possible up to Ironman, but comfort > speed)

👉 In short: the perfect first wetsuit that lets you enter the water relaxed and confident.

Arena Powerskin Thunder - Entry level with extra performance

The Arena Powerskin Thunder is a step above a classic entry-level wetsuit. You get more technology, better hydrodynamics and a slightly faster feel in the water.

What makes it different:

• Yamamoto neoprene for better flexibility
• Nano SCS coating for less drag
• More buoyancy and stability
• Comfortable Zero Chafe Collar

For whom?

• Beginners who want more performance
• First triathlon + ambition to continue growing

Distance (recommendation):
Sprint to Half Triathlon (70.3)

👉 In short: entry + speed - ideal if you want to start seriously.

Sailfish Attack 8 - The perfect all-around upgrade

The Sailfish Attack 8 is perhaps the smartest choice for many triathletes. This wetsuit is right in between entry-level and high-end.

What you notice in the water:

• More flexibility than entry-level models
• Better water holding due to extra buoyancy
• Faster and more efficient swimming
• Very good value for money

For whom.

• Beginners who want to grow
• Triathletes with some experience
• Regular open water swimmers

Distance (recommendation):
Sprint to Half triathlon (very suitable), also fine for full distance

👉 In short: the best all-round choice for most triathletes.

Arena Powerskin Storm - High performance without top price

The Arena Powerskin Storm clearly takes you in the direction of performance. This wetsuit is designed for triathletes who want to swim faster and utilize their technique.

What makes this suit strong:

• Full Yamamoto SCS neoprene
• Airlock technology for optimal water position
• Very good balance between buoyancy and flexibility
• Extra water feel via underarm panels

For whom.

• Advanced triathletes
• Athletes who want to swim more efficiently and faster

Distance (recommendation):
Olympic to Ironman

👉 In short: performance wetsuit for those who seriously want to get faster.

deboer TIDAL - Premium performance for every triathlete

The deboer TIDAL brings high-end technology to a wider audience. This wetsuit feels faster, more stable and more efficient than most mid-range models.

What you get:

• Very high buoyancy and stability
• Ultraflexible shoulders for natural stroke
• GlideSkin coating for minimal drag
• Very comfortable fit

For whom.

• Avid triathletes
• Athletes who want to swim more efficiently
• Step towards top end

Distance (recommendation):
Half triathlon to Ironman

👉 In short: premium feel without full elite price tag.

Sailfish One 8 - Maximum buoyancy and comfort.

The Sailfish One 8 is known as the wetsuit for triathletes who want extra buoyancy.

Why this matters:
More buoyancy = better water position = less energy loss.

What makes the One 8 unique:

• Aerofloat technology with air cells
• Very stable position in the water
• Less fatigue while swimming
• Comfortable and flexible fit

For whom.

• Triathletes struggling with their water position
• Swimmers who want to save energy
• Long distance athletes

Distance (recommendation):
Olympic to Ironman (great for long distances).

👉 In short: easier, more efficient and energy-saving swimming.

Sailfish G-Range - For the technically strong swimmer

The Sailfish G-Range is completely different from the One. Instead, this wetsuit provides less buoyancy and more water feel.

Why?
Because good swimmers want to maximize their technique.

What you get:

• Ultra-thin neoprene
• Maximum freedom of movement
• Direct contact with the water
• Minimal resistance

For whom.

• Experienced swimmers
• Triathletes with strong technique
• Athletes who swim purely for efficiency

Distance (recommendation):
Sprint to Half triathlon

👉 In short: pure performance for the best swimmers.

Sailfish Ultimate IPS Plus 4 - The fastest Sailfish wetsuit

The Ultimate IPS Plus 4 is made for speed. Everything in this wetsuit is about hydrodynamics, efficiency and performance.

High-end features:

• Ultra-thin shoulder panels.
• Maximum freedom of movement
• Perfectly balanced buoyancy
• Minimal resistance in the water

For whom.

• Experienced triathletes
• Fast swimmers
• Athletes going for PRs

Distance (recommended):
Sprint to Ironman

👉 In short: if you want to get out of the water faster.

deboer Fjord 4.0 - A wetsuit from Absolute top class

The deboer Fjord 4.0 is one of the most advanced wetsuits on the market. This is not an upgrade - this is a completely different level.

What makes this wetsuit unique:

• Maximum hydrodynamics
• Unprecedented freedom of movement
• Optimized breathing and posture
• Premium materials and workmanship

For whom.

• Elite triathletes
• Podium hunters
• Athletes who want only the best

Distance (recommendation):
Sprint to Ironman

👉 In short: the best there is - without compromise.

Overview - Which wetsuit is right for you?