Extreme Watersport

Fourth Element Xerotherm Leggings

The Fourth Element Xerotherm Leggings are high-performance thermal baselayer bottoms engineered for drysuit diving. Constructed from Polartec® Power Stretch®, they rapidly wick moisture away from the skin while trapping a thin insulating layer of air, helping maintain warmth and comfort without unnecessary bulk. Their slim fit, high waistband and unique foot pocket design make them the ideal foundation for any drysuit layering system.

Polartec® Power Stretch® Designed for Layering Professional Proven

Choose Your Size

$214.00
Most sizes are available to order. If your selected size is temporarily unavailable from Fourth Element, we'll confirm the latest delivery estimate before processing your order. Australia-wide shipping available.
Product Highlights

High-Performance Baselayer Bottoms for Cold-Water Diving

The Xerotherm Leggings complete the lower half of your drysuit layering system. Built with genuine Polartec® Power Stretch®, they efficiently transport moisture away from the skin while maintaining a thin insulating air layer. Their lightweight construction improves warmth without increasing bulk, making them equally suited to recreational, technical and professional diving.

A high waistband ensures excellent overlap with the Xerotherm Long Sleeve Top, while the unique foot pocket design keeps the leggings correctly positioned inside your drysuit throughout the dive.

Key Features

Key Features

Polartec® Power Stretch®

Premium technical fabric providing exceptional moisture management, stretch and next-to-skin comfort throughout every dive.

Fast Moisture Wicking

Rapidly transports moisture away from the skin to maintain a dry insulating air layer and improve overall thermal performance.

High Waist Design

A high waistband provides excellent overlap with the Xerotherm Long Sleeve Top, helping eliminate gaps and maintain consistent insulation.

Secure Foot Pocket

The unique foot pocket design helps prevent the leggings from riding up while putting on your drysuit, ensuring a comfortable fit throughout the dive.

Technical Details

Technical Specifications

The Fourth Element Xerotherm Leggings are designed as high-performance thermal baselayer bottoms for drysuit diving. Constructed from Polartec® Power Stretch®, they combine rapid moisture management with lightweight insulation, helping keep the lower body warm, dry and comfortable during cold-water dives.

Product
Fourth Element Xerotherm Leggings
Layer Type
Next-to-skin thermal baselayer bottoms
Best Use
Drysuit diving and cold-water layering systems
Material
57% Polyester / 33% Nylon / 10% Elastane (Polartec® Power Stretch®)
Fit
Slim fit designed to sit close to the skin
Lightweight insulation with outstanding moisture management
Thermal Performance
Key Features
High waistband, flatlock seams and integrated foot pocket design
Care
Machine wash cold. Line dry. Do not tumble dry.
Ideal Pairing
Fourth Element Xerotherm Long Sleeve Top, Arctic and HALO A°R undersuits
Available Sizes
Men's and Women's standard sizes
Included

What's Included

  • Fourth Element Xerotherm Leggings
Size Guide

Need Help Choosing Your Size?

Use the size guide below as a reference before ordering. If you are between sizes or plan to wear additional base layers, contact us and we can help recommend the most suitable fit.

Men’s Size Guide

Fourth Element Xerotherm Leggings men’s size guide

Women’s Size Guide

Fourth Element Xerotherm Leggings women’s size guide

Why Choose the Fourth Element Xerotherm Leggings?

The Fourth Element Xerotherm Leggings are designed as the lower half of a complete drysuit baselayer system. Worn directly against the skin, they rapidly transport moisture away from the body while maintaining a thin insulating layer of air, helping divers remain warmer, drier and more comfortable throughout the dive.

Made from genuine Polartec® Power Stretch®, the Xerotherm Leggings provide exceptional stretch, breathability and durability without adding unnecessary bulk. Their slim profile makes them ideal beneath technical undersuits, while their moisture management properties improve the overall efficiency of your entire thermal layering system.

Designed for Efficient Thermal Layering

Many divers focus on choosing the warmest undersuit, but effective insulation begins with the baselayer worn next to the skin. Moisture generated before or during a dive can reduce thermal efficiency, making even the warmest undersuit feel colder over time.

The Xerotherm Leggings continuously move moisture away from the skin, helping maintain a dry insulating air layer. Whether worn beneath a Fourth Element Arctic, HALO A°R or another thermal undersuit, they improve comfort during both recreational and technical dives.

Purpose-Built for Drysuit Diving

The Xerotherm Leggings include a high waistband that overlaps comfortably with the matching Xerotherm Long Sleeve Top, reducing the chance of exposed skin while moving underwater. Their unique foot pocket design helps prevent the leggings from riding up while putting on a drysuit, ensuring the garment stays correctly positioned throughout the dive.

Flatlock seams minimise pressure points beneath harnesses and drysuit seals, while the lightweight construction allows unrestricted movement without increasing buoyancy.

Ideal for Melbourne and Victorian Diving

Cold-water diving throughout Melbourne, Port Phillip Bay and the Mornington Peninsula demands an effective layering system. Whether exploring local piers, completing longer boat dives or undertaking technical training, maintaining lower body warmth contributes significantly to overall comfort.

The Xerotherm Leggings are a popular choice for Victorian divers because they provide excellent moisture management while remaining lightweight and low profile beneath any drysuit.

Who Are the Xerotherm Leggings Best For?

The Xerotherm Leggings are ideal for divers looking to improve the performance of their drysuit layering system without adding unnecessary bulk. They are suitable for recreational divers, technical divers, CCR divers and underwater photographers who spend extended periods in cold water.

Pairing the Xerotherm Leggings with the matching Long Sleeve Top creates a complete baselayer system that maximises moisture management before adding an insulating undersuit for colder conditions.

FAQ

Fourth Element Xerotherm Leggings FAQ

Can the Xerotherm Leggings be worn on their own?

Yes. The Xerotherm Leggings can be worn on their own beneath a neoprene drysuit or as part of a lightweight thermal system. For colder conditions, they are designed to be paired with another undersuit such as the Fourth Element Arctic or HALO A°R.

Are the Xerotherm Leggings suitable for trilaminate drysuits?

Yes. The Xerotherm Leggings are specifically designed as a next-to-skin baselayer for trilaminate drysuits, helping manage moisture while improving the performance of your outer thermal undersuit.

What makes the Xerotherm Leggings different from ordinary thermal leggings?

The Xerotherm Leggings are constructed from genuine Polartec® Power Stretch® fabric, engineered to wick moisture away from the skin while maintaining a thin insulating layer of air. This delivers superior comfort and thermal performance compared with standard thermal clothing.

Can I wear the Xerotherm Leggings with another undersuit?

Absolutely. The Xerotherm Leggings are designed to work beneath undersuits such as the Fourth Element Arctic and HALO A°R, helping improve moisture management and overall warmth during cold-water dives.

How should the Xerotherm Leggings fit?

The Xerotherm Leggings should fit close to the body without restricting movement. Their slim fit allows efficient moisture transfer while remaining comfortable beneath your drysuit and thermal undersuit.

Are the Xerotherm Leggings machine washable?

Yes. Machine wash cold and line dry. Avoid tumble drying to maximise the lifespan and performance of the Polartec® Power Stretch® fabric.

Need Help?

Need Help Choosing the Right Baselayer?

The right baselayer is the foundation of every effective drysuit layering system. If you're unsure whether the Xerotherm Leggings are the right choice, or you'd like advice on combining them with the Xerotherm Long Sleeve Top, Arctic or HALO A°R, our team is happy to help you build the ideal thermal system for your diving.

Contact Us for Advice