Updated: 10 Jun 2026

10 Best baby wetsuit 3 6 months of 2026

Updated: 10 Jun 2026

#1

Best Choice

Splash About Warm in One Baby Wetsuit, Navy & Yellow 3-6 Months

9.9

Splash About

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Main highlights

√ QUALITY WITHOUT COMPROMISE ON COMFORT. The Warm In One is manufactured to be UPF 50+ and ensures the highest protection from the sun. Its full body cover means it also protects from wind chill, when the baby is out of the water. Designed to be comfortable enough to be worn all day and with a fleece liner that holds barrier creams in place, it’s the perfect protection for babies with sensitive skin and/or eczema. Highly durable but super soft, with Velcro fastening at the back for easy changing.

√ ORIGINAL WARM IN ONE BABY WETSUIT – The award-winning, fleece-lined Warm In One baby wetsuit is the warmest wetsuit in the Splash About range. Perfect for babies who feel the chill, either in a pool, on the beach, or playing in the paddling pool in the garden. The warm and soft internal fleece keeps them feeling cosy, even in the water. Experts recommend this wetsuit to extend the time babies can stay in the pool.

√ GORGEOUS – patterns for all tastes Our Splash About design team create on trend gorgeous designs in beautiful colours and patterns, whatever your taste we have the perfect look for your little boy or girl, with a range of co ordinating swimwear, including specialist Happy Nappies and Happy Nappy costumes. Comfortable, warm and gorgeous.
#2

Best Value

Splash About Warm in One Baby Wetsuit, Playful Otters, 3-6 Months

9.8

Splash About

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Main highlights

UPF 50+ Sun Protection – Premium fabric helps shield against harmful UV rays during outdoor water play.

Keeps Baby Warm – Soft fleece-lined inner helps maintain body temperature for happier, longer swim sessions.

Gentle Full-Body Coverage – Designed to protect delicate skin and minimise exposure to cool water and irritants.
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#3

Aquajoy Warmsy - Premium Reversible Baby Wetsuit - Baby - (3-6 Months)

9.7

Aquajoy

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Main highlights

REVERSIBLE 2-IN-1 DESIGN - A reversible baby wetsuit with a neutral classic design on one side and a vibrant tropical print on the other.

HIGH-QUALITY PRINT - Carefully designed in-house prints ensure each wetsuit is as fun as it is durable.

EXTRA VERSATILE - Use at home, in swimming lessons, or for a fun-filled day at the beach!
#4

Splash About Warm in One Baby Wetsuit, Strawberry Field, 3-6 Months

9.4

Splash About

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Main highlights

UPF 50+ Sun Protection – Premium fabric helps shield against harmful UV rays during outdoor water play.

Keeps Baby Warm – Soft fleece-lined inner helps maintain body temperature for happier, longer swim sessions.

Gentle Full-Body Coverage – Designed to protect delicate skin and minimise exposure to cool water and irritants.
#5

Swimbubs Baby Swimming Warm Suit Boys Fleece Lined Wetsuit Girls UV UPF50 Sun Protection Swimsuit (3-6 Months, Pink Dolphin)

9.3

Swimbubs

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Main highlights

UPF 50+ sun protection makes this baby swimsuit perfect for taking to the beach, protecting your kids from the sun as well as helping to keep the sand out

This baby swimming costume is made from a polyester outer with an inner fleece lining, its perfect for toddlers with sensitive skin conditions such as eczema, as the swimsuit protects barrier cream in the water

Soft fleeced-lined warm suit insulating your baby making it perfect for extending your child’s time in the swimming pool
#6

Splash About Thermaswim Thermal Baby Swimsuit/Base Layer- 3-6 Months Black

9.1

Splash About

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Main highlights

Warmth-Retentive Design – Multi-layer fabric helps keep babies and toddlers cosy during swim time, lessons and early water play.

Soft Fleece Inner – Gentle lining adds comfort and helps little ones enjoy longer sessions in the water.

Flexible Full-Body Fit – Stretches easily for natural movement, splashing and learning to swim.
#7

Splash About Baby Wrap Wetsuit, Nina's Ark, 6-18 Months

9.0

Splash About

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Main highlights

Velcro fastenings across the shoulders ensure complete adjustability and room for growth

Opens completely flat for easy dressing

Baby wetsuit made from premium quality 2mm thick neoprene
#8

Swimbubs Baby Swimming Wrap Toddler Wetsuit Boys Warmsuit Girls UV Swimsuit (Blue Whale, 6-18 Months)

8.7

Swimbubs

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Main highlights

This baby wrap wetsuit is ideal for insulating your child, helping to maintain their body temperature, making it perfect for extending your little ones time in the swimming pool.

The wrap wetsuit is made from 2mm thick neoprene with soft seams to prevent chafing. The suit is non restrictive, so toddlers and babies can enjoy splashing their arms and legs out in the pool, whilst keeping them warm. The non-slip nature of the fabric helps you to grip your baby securely whether you are in the water or in the changing room.

Open flat design with multiple adjustable Velcro seals, makes changing your wriggling infant easy, whilst ensuring room for growth. It’s ideal for wearing with the Swimbubs swim nappy for faecal leak protection.
#9

Splash About Baby Wrap Wetsuit, Strawberry Field, 6-18 Months

8.6

Splash About

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Main highlights

Helps Keep Babies Warm – Premium 2mm neoprene helps maintain body warmth for longer, more enjoyable swim sessions

Fully Adjustable Fit – Velcro fastenings at shoulders, chest and crotch allow the Baby Wrap to grow with your child.

Easy to Put On and Take Off – Opens completely flat for quick, fuss-free changes, perfect for babies and toddlers.
#10

Splash About Baby Wrap Wetsuit, Up & Away, 6-18 Months

8.5

Splash About

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Main highlights

Helps Keep Babies Warm – Premium 2mm neoprene helps maintain body warmth for longer, more enjoyable swim sessions

Fully Adjustable Fit – Velcro fastenings at shoulders, chest and crotch allow the Baby Wrap to grow with your child.

Easy to Put On and Take Off – Opens completely flat for quick, fuss-free changes, perfect for babies and toddlers.