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Kids 5/4mm Wetsuits

Kids 5/4mm Wetsuits for Winter & Cold UK Waters

Designed for the coldest UK conditions, our 5mm (5/4mm) kids wetsuits provide maximum warmth for winter surfing, swimming and beach use. With thicker neoprene, thermal linings and durable construction, these wetsuits help kids stay comfortable in low temperatures and harsh conditions.

Shop all Kids Wetsuits    Shop all 5mm Wetsuits

Winter Wetsuit Advice for Children

  • Top Winter Wetsuits: Stay Warm with the Best 5mm Options Available

    Discover the top 5mm wetsuits that will keep you warm during those icy winter months.

  • Children's Wetsuit Size Guide

    This guide will help you decide on which kid's wetsuit to get that will not only provide some warmth within the water but will also accommodate some growth.

  • The Best Surfing Wetsuit For Kids

    Does My Child Need A wetsuit? The answer to this question is most likely…YES! Your child absolutely needs a wetsuit if you spend more than one or two days a year at the beach.

Choosing the Right 5mm Kids Wetsuit

A 5mm kids wetsuit is designed for cold water, making it the best choice for winter conditions in the UK. When sea temperatures drop and wind chill increases, the extra thickness helps retain body heat and keep kids comfortable for longer sessions.

For regular winter use, surfing or extended time in cold water, a 5mm wetsuit provides the insulation needed to stay warm and protected. In milder conditions, a 4mm wetsuit may offer more flexibility, but for true winter conditions, 5mm is the most reliable option.

Maximum Warmth for Cold Conditions

When temperatures drop, keeping kids warm becomes essential for comfort and safety.

Key features to look for:

  • 5mm neoprene construction – Maximum insulation for cold water
  • Thermal linings – Retain heat and improve comfort
  • Glued and blind-stitched seams – Reduce water entry
  • Chest zip designs – Minimise flushing and improve warmth
  • Wind-resistant panels – Help reduce wind chill

Built for UK Winter Surf & Swimming

5mm kids wetsuits are ideal for the coldest months of the year, helping extend time in the water even in harsh conditions. Whether it’s winter surf sessions, cold-water swimming or coastal adventures, these wetsuits provide the protection needed to stay warm and comfortable.

For full winter protection, consider pairing with wetsuit boots, gloves and hoods to minimise heat loss.

Finding the Right Fit for Warmth

A snug fit is essential for a wetsuit to work effectively in cold water. A properly fitted wetsuit traps a thin layer of water that warms up against the body, helping retain heat.

When choosing a kids wetsuit:

  • Ensure a close fit with no loose areas
  • Check seals at the neck, wrists and ankles
  • Make sure your child can move freely without restriction

Kids 5mm Wetsuit FAQs

Is a 5mm wetsuit warm enough for UK winter?

Yes, a 5mm wetsuit is the standard choice for UK winter conditions, providing the insulation needed for cold water and lower air temperatures.

What temperature is a 5mm kids wetsuit suitable for?

A 5mm wetsuit is ideal for cold water, typically below around 12°C, making it suitable for winter and early spring conditions in the UK.

Do kids need boots and gloves with a 5mm wetsuit?

In colder conditions, yes. Adding boots, gloves and a hood helps reduce heat loss and keeps kids comfortable for longer.

What’s the difference between 4mm and 5mm kids wetsuits?

A 5mm wetsuit offers more insulation for colder conditions, while a 4mm wetsuit is better suited to milder temperatures and offers slightly more flexibility.

Explore More Kids Wetsuits

Looking for other options? Browse our full range of kids wetsuits, including 3mm wetsuits for summer, 4mm wetsuits for cooler conditions, and winter wetsuits for cold water sessions.

Kids 3mm Wetsuits     Kids 4mm Wetsuits     Kids Winter Wetsuits