Extreme Watersport

Fourth Element J2 Base Layer Leggings

The Fourth Element J2 Base Layer Leggings are engineered for divers who spend long hours in their drysuit. Constructed from OceanPositive recycled fabric with embedded anti-microbial silver ion technology, they rapidly transport moisture away from the skin while remaining comfortable throughout repetitive and extended dives. Lightweight, fast drying and highly breathable, they form the ideal lower-body foundation for any cold-water layering system.

Silver Ion Technology OceanPositive Fabric Designed for Extended Diving
Fourth Element J2 Base Layer Leggings

Choose Your Size

$165.00
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.
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Product Highlights

Comfort That Lasts Through Every Dive

The J2 Base Layer Leggings are designed to keep your lower body dry and comfortable throughout prolonged drysuit dives. Their OceanPositive recycled fabric rapidly transports moisture away from the skin while remaining lightweight and breathable, helping maintain thermal comfort from the beginning of the dive until the very end.

A wide, soft waistband sits comfortably beneath your drysuit, while four-way stretch fabric and minimal seams provide unrestricted movement without adding unnecessary bulk. Whether paired with the matching J2 Long Sleeve Top or worn beneath an Arctic X or HALO A°R undersuit, the J2 Leggings provide the ideal foundation for any thermal layering system.

Key Features

Key Features

OceanPositive® Fabric

Constructed from GRS-certified recycled polyester for outstanding technical performance with a reduced environmental impact.

Silver Ion Protection

Embedded anti-microbial silver ion technology helps maintain freshness throughout repetitive dives, expeditions and liveaboards.

Fast Moisture Wicking

Quickly transports moisture away from the skin to maintain a dry, comfortable microclimate throughout the dive.

Wide Comfort Waistband

A soft, wide waistband and minimal seam construction provide outstanding comfort beneath any drysuit without unnecessary pressure points.

Technical Details

Technical Specifications

The Fourth Element J2 Base Layer Leggings are premium next-to-skin baselayer bottoms engineered for prolonged drysuit diving. Constructed from OceanPositive recycled fabric with embedded anti-microbial silver ion technology, they deliver exceptional moisture management, lightweight comfort and long-lasting freshness for recreational, technical and expedition diving.

Product
Fourth Element J2 Base Layer Leggings
Layer Type
Premium next-to-skin drysuit baselayer bottoms
Best Use
Extended drysuit diving, expedition diving and thermal layering systems
Material
90% Recycled Polyester / 10% Elastane
Fabric Technology
OceanPositive® recycled fabric with embedded anti-microbial silver ion technology
Fit
Slim fit with four-way stretch and a wide comfort waistband
Key Features
Fast wicking, four-way stretch, lightweight construction, wide waistband and minimal seam design
Thermal Performance
High-performance moisture management for prolonged cold-water diving
Care Instructions
Machine wash cold. Line dry. Do not bleach, iron or tumble dry. Avoid fabric softeners. Dry clean if required.
Available Sizes
Men's and Women's standard sizes
Included

What's Included

  • Fourth Element J2 Base Layer 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 J2 Base Layer Leggings men’s size guide

Women’s Size Guide

Fourth Element J2 Base Layer Leggings women’s size guide

Why Choose the Fourth Element J2 Base Layer Leggings?

The Fourth Element J2 Base Layer Leggings are designed to provide exceptional next-to-skin comfort during prolonged drysuit diving. As the lower-body component of the J2 layering system, they rapidly transport moisture away from the skin, helping maintain comfort and thermal efficiency throughout long dives. Whether you're teaching, diving CCR, exploring wrecks or heading off on a multi-day liveaboard, the J2 Leggings provide a reliable foundation for your cold-water diving system.

Unlike ordinary thermal leggings, the J2 was engineered specifically for scuba diving. The lightweight OceanPositive fabric sits comfortably beneath premium drysuit undersuits without adding unnecessary bulk, allowing unrestricted movement while improving moisture management.

Stay Dry for Longer

Keeping moisture away from your skin is one of the most effective ways to maintain comfort during cold-water diving. The J2 fabric rapidly wicks perspiration through the material, creating a drier microclimate beneath your drysuit. This helps your outer thermal layers perform more efficiently and reduces the chilling effect caused by trapped moisture.

Even if your drysuit experiences a minor leak, the J2 continues moving moisture away from the skin, helping improve comfort until the dive is complete.

Designed for Long Dive Days

The J2 Leggings were developed for divers who spend extended periods wearing a drysuit. Embedded anti-microbial silver ion technology helps maintain freshness throughout repetitive dives, liveaboards and expedition diving, while the lightweight stretch construction remains comfortable from the first dive of the day to the last.

A wide, soft waistband distributes pressure comfortably beneath your drysuit, while minimal seam construction reduces irritation during long periods underwater.

OceanPositive Technical Fabric

Constructed from GRS-certified recycled polyester, the J2 Leggings form part of Fourth Element's OceanPositive initiative. Combined with plastic-free packaging, this approach reduces environmental impact while delivering the same premium technical performance expected from a high-end diving baselayer.

Complete Your Thermal Layering System

The J2 Base Layer Leggings perform best when paired with the matching J2 Long Sleeve Top and worn beneath premium drysuit undersuits such as the Fourth Element Arctic X or HALO A°R. Together they create a highly effective layering system that combines moisture management, thermal efficiency and all-day comfort for recreational, technical and professional cold-water diving throughout Australia.

FAQ

Fourth Element J2 Base Layer Leggings FAQ

What are the J2 Base Layer Leggings designed for?

The J2 Base Layer Leggings are designed as premium next-to-skin baselayer bottoms for drysuit diving. They rapidly wick moisture away from the skin, helping maintain comfort, dryness and thermal performance during extended dives.

What's the difference between the J2 Leggings and Xerotherm Leggings?

Both are premium baselayers, but they serve different purposes. The J2 Leggings focus on moisture management, long-term comfort and anti-microbial freshness for repetitive and expedition diving, while the Xerotherm Leggings provide greater thermal insulation using Polartec® Power Stretch® fabric.

Can I wear the J2 Leggings beneath an Arctic X or HALO A°R undersuit?

Yes. The J2 Leggings are designed to be worn beneath premium drysuit undersuits such as the Fourth Element Arctic X and HALO A°R. They help keep the skin dry, allowing your thermal undersuit to perform more efficiently.

Do the J2 Leggings still work if my drysuit leaks?

Yes. The J2 fabric continues to wick moisture away from the skin even if your drysuit experiences a minor leak. By moving moisture into the outer thermal layers, it helps reduce discomfort and maintain warmth throughout the dive.

Are the J2 Leggings suitable for liveaboards and expedition diving?

Absolutely. Designed for prolonged and repetitive diving, the J2 Leggings incorporate embedded anti-microbial silver ion technology to help maintain freshness during multi-day dive trips, liveaboards and expedition diving.

Are the J2 Base Layer Leggings machine washable?

Yes. Machine wash cold and line dry. Avoid bleach, fabric softeners, ironing and tumble drying to preserve the performance of the OceanPositive technical fabric.

Need Help?

Need Help Choosing the Right Baselayer?

Not sure whether the J2 or Xerotherm is the best choice for your diving? Whether you're building a complete drysuit layering system or choosing between Arctic X, HALO A°R and X-Core, our team can help you select the right combination for your diving conditions.

Contact Us for Advice