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Fourth Element

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Fourth Element J2 Base Layer Leggings

Fourth Element J2 Base Layer Leggings

RRP $199.00 AUD

Our Price $165.00 AUD

You Save $34.00 AUD (17%)

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Product overview

About this product

The Fourth Element J2 Base Layer Leggings are designed to provide exceptional moisture management and all-day comfort beneath a drysuit. Made from OceanPositive recycled fabric with embedded anti-microbial silver ion technology, they rapidly wick perspiration away from the skin to help maintain warmth during extended recreational and technical dives.

Ideal for drysuit diving throughout Melbourne, Victoria and other cold-water environments across Australia, the J2 Leggings create the perfect foundation for any thermal layering system. Lightweight, breathable and fast drying, they pair perfectly with the J2 Long Sleeve Top and any Fourth Element thermal undersuit.

The Fourth Element J2 Base Layer Leggings are premium next-to-skin baselayer bottoms designed for prolonged drysuit diving. Made from OceanPositive recycled fabric with embedded anti-microbial silver ion technology, they rapidly wick moisture away from the skin to keep divers dry, comfortable and thermally protected throughout extended dives.

Lightweight, fast drying and exceptionally comfortable, the J2 Leggings feature four-way stretch fabric, a wide soft waistband and minimal seams for unrestricted movement beneath any drysuit. They pair perfectly with the J2 Long Sleeve Top and premium undersuits including the Fourth Element Arctic X, HALO A°R and X-Core Vest.

Available in men's and women's sizing. Most sizes are available to order with Australia-wide shipping.

Service and support

Shipping and specialist support

Why buy from Extreme Watersport

  • Silver Ion Technology
  • OceanPositive Fabric
  • Designed for Extended Diving

Shipping

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.

Lead time

Usually dispatched within 1–5 business days.

Technical construction

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.

Performance detail

Performance highlights

Highlight

OceanPositive® Fabric

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

Highlight

Silver Ion Protection

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

Highlight

Fast Moisture Wicking

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

Highlight

Wide Comfort Waistband

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

Specifications

Technical Specifications

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

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.

Fit guidance

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 size chart
Women's size guide
Fourth Element Women's Size chart

Included

What's Included

  • Fourth Element J2 Base Layer Leggings

Product guidance

Product guidance

Why Choose the Fourth Element J2 Base Layer Leggings?

The Fourth Element J2 Base Layer Leggings are designed to keep divers dry, comfortable and thermally efficient beneath a drysuit. Unlike ordinary thermal clothing, the J2 system uses OceanPositive recycled fabric with embedded silver ion technology to wick perspiration away from the skin, helping maintain a dry insulating air layer throughout the dive.

As part of a complete drysuit layering system, the J2 Leggings provide lightweight thermal performance without adding unnecessary bulk, making them ideal for recreational diving, technical diving and extended cold-water dives.

Perfect for Melbourne and Australian Cold-Water Diving

Divers exploring Port Phillip Bay, Victoria's famous wrecks, Tasmania and other cold-water destinations throughout Australia need a reliable base layer that performs during long dives. The J2 Base Layer Leggings are designed to sit directly against the skin, efficiently managing moisture while improving the performance of your drysuit undersuit.

Whether you're completing recreational shore dives, boat dives, technical decompression dives or instructor work, keeping your base layer dry is one of the most effective ways to stay warm underwater.

Why Wear a Baselayer Under a Drysuit?

A quality drysuit baselayer does much more than add warmth. By rapidly moving perspiration away from your skin, it helps maintain insulation, reduces moisture build-up and improves comfort during long dives. The Fourth Element J2 range is specifically designed for this purpose, making it an excellent foundation beneath undersuits such as the Xerotherm, Arctic X and Halo A°R.

Complete Your Fourth Element Layering System

The J2 Base Layer Leggings are designed to be worn with the Fourth Element J2 Long Sleeve Top to create a complete moisture management system. For colder water temperatures, they can be layered beneath the Xerotherm, Arctic X or Halo A°R thermal undersuits, allowing divers to build a modular layering system suited to different diving conditions throughout the year.

Why Buy from Extreme Watersport?

Extreme Watersport is an authorised Fourth Element dealer in Australia, supplying genuine products backed by expert advice from experienced cold-water divers. Whether you're building your first drysuit layering system or upgrading your existing equipment, we can help you choose the right baselayer and thermal undersuit for Melbourne, Victoria and Australian diving conditions.

Product help

Product FAQs

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 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.

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