Extreme Watersport

Fourth Element Arctic X Jacket

The Fourth Element Arctic X Jacket is designed for divers seeking exceptional thermal performance without unnecessary bulk. Featuring recycled technical fabrics, a soft fleece lining and a durable water-repellent outer shell, it provides outstanding warmth, unrestricted mobility and everyday practicality both underwater and between dives.

Exceptional Warmth Made from Recycled Materials Designed for Divers

Choose Your Size

$395.00
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

Next-Generation Premium Drysuit Insulation

The Arctic X Jacket represents the latest evolution of Fourth Element's renowned Arctic thermal range. Designed to provide exceptional warmth while reducing bulk, it delivers excellent insulation without restricting movement inside a drysuit.

A soft fleece interior traps warm air close to the body, while the durable water-repellent outer shell helps maintain comfort during surface intervals. Stretch fabric, articulated sleeves and thumb loops improve fit and make donning a drysuit easier, creating a versatile thermal layer suitable for recreational, technical and professional diving.

Key Features

Key Features

Exceptional Warmth

High-performance insulation delivers excellent thermal protection while maintaining a lightweight, low-bulk profile for drysuit diving.

Recycled Technical Fabrics

Constructed using recycled materials with a soft fleece lining and durable outer shell for comfort, performance and sustainability.

Built for Mobility

Stretch fabric, articulated sleeves and an ergonomic cut provide unrestricted movement both underwater and during surface intervals.

Practical Diver Features

Full-length front zip, thumb loops, storage pockets, reflective details and a water-repellent outer layer make the Arctic X equally practical above and below the water.

Technical Details

Technical Specifications

The Fourth Element Arctic X Jacket is a premium drysuit undersuit engineered for exceptional warmth, comfort and mobility in cold-water diving. Built with recycled technical fabrics, a soft fleece lining and a durable water-repellent outer shell, it delivers high thermal performance with reduced bulk, making it suitable for recreational, technical and professional divers alike.

Product
Fourth Element Arctic X Jacket
Layer Type
Premium drysuit undersuit
Best Use
Cold-water drysuit diving and thermal layering systems
Outer Fabric
85% Nylon / 15% Elastane with durable water-repellent (DWR) finish
Inner Fabric
95% Polyester / 5% Elastane soft fleece lining
Fit
Stretch fit with articulated sleeves for unrestricted movement
Key Features
Full-length front zip, thumb loops, storage pockets and reflective detailing
Performance
Exceptional warmth with minimal bulk, optimised for horizontal trim
Care
Machine wash cool. Line dry. Do not tumble dry, iron or dry clean.
Available Sizes
Men's and Women's standard sizes
Included

What's Included

  • Fourth Element Arctic X Jacket
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 Arctic X Jacket men’s size guide

Women’s Size Guide

Fourth Element Arctic X Jacket women’s size guide

Why Choose the Fourth Element Arctic X Jacket?

The Fourth Element Arctic X Jacket is a premium drysuit undersuit developed for divers who demand exceptional warmth without excessive bulk. As the latest evolution of the renowned Arctic range, it combines advanced thermal performance, outstanding comfort and modern technical fabrics to create a versatile undersuit suitable for everything from recreational shore dives to demanding technical expeditions.

Unlike traditional bulky thermal garments, the Arctic X focuses on maximising insulation while maintaining freedom of movement. The soft fleece lining traps warm air close to the body, while the stretch outer fabric allows unrestricted mobility inside a drysuit. The result is an undersuit that remains comfortable throughout long dives while reducing unnecessary bulk and buoyancy.

Designed for Serious Cold-Water Diving

Cold-water diving places unique demands on both equipment and thermal protection. Whether you're exploring local piers, completing boat dives or spending extended periods underwater, maintaining body temperature directly affects both comfort and performance.

The Arctic X Jacket has been designed specifically for these conditions. Its high-performance insulation provides dependable warmth across a wide range of cold-water environments, while the ergonomic cut, articulated sleeves and stretch construction allow natural movement without creating pressure points beneath a drysuit.

Premium Performance Without Unnecessary Bulk

Many divers assume that greater warmth always requires a thicker undersuit. The Arctic X demonstrates that modern materials can deliver excellent thermal protection while maintaining a streamlined profile. This helps reduce bulk inside the drysuit, improves overall comfort and makes moving around both underwater and on the surface noticeably easier.

The full-length front zip simplifies dressing before a dive, while thumb loops assist when putting on a drysuit by helping keep the sleeves correctly positioned. Practical storage pockets, reflective detailing and a durable water-repellent outer layer also make the Arctic X comfortable to wear before and after the dive.

Ideal for Melbourne and Victorian Diving

Divers around Melbourne, Port Phillip Bay and the Mornington Peninsula regularly experience conditions where reliable thermal protection becomes essential. Water temperatures throughout much of the year make a quality drysuit undersuit one of the most important pieces of equipment for maintaining comfort during longer dives.

The Arctic X Jacket is particularly well suited to Victorian diving because it balances warmth, flexibility and low bulk. Recreational divers, technical divers, instructors and underwater photographers can all benefit from its ability to provide dependable insulation without compromising mobility.

Who Is the Arctic X Jacket Best For?

The Arctic X Jacket is an excellent choice for divers seeking a premium drysuit undersuit for regular cold-water diving. It suits divers upgrading from entry-level thermal garments, experienced recreational divers looking for greater comfort and technical divers wanting dependable insulation for longer dives.

If you're building a complete layering system, the Arctic X pairs exceptionally well with the Fourth Element Xerotherm baselayer, creating an efficient combination of moisture management and thermal insulation suitable for a wide variety of diving conditions.

FAQ

Fourth Element Arctic X Jacket FAQ

Is the Arctic X Jacket suitable for cold-water diving?

Yes. The Arctic X Jacket is designed as a premium drysuit undersuit for cold-water diving, providing exceptional warmth with minimal bulk. It is suitable for recreational, technical and professional divers looking for reliable thermal protection.

Can I wear the Arctic X Jacket on its own?

The Arctic X Jacket is primarily designed to be worn beneath a drysuit. During surface intervals it can also be comfortably worn on its own thanks to its durable outer fabric, full-length zip and practical pocket design.

What makes the Arctic X different from the Xerotherm?

The Xerotherm is a next-to-skin baselayer designed to manage moisture, while the Arctic X Jacket is a premium thermal undersuit that provides the primary insulation for cold-water diving. Many divers wear a Xerotherm beneath the Arctic X for the best overall thermal performance.

Does the Arctic X Jacket restrict movement underwater?

No. Stretch fabrics, articulated sleeves and an ergonomic design provide excellent mobility while maintaining thermal performance, making the Arctic X comfortable for both recreational and technical diving.

Is the Arctic X made from recycled materials?

Yes. The Arctic X range incorporates recycled technical fabrics, combining excellent thermal performance with a more sustainable approach to manufacturing.

Can I machine wash the Arctic X Jacket?

Yes. Machine wash on a cool cycle and line dry. Avoid fabric softeners, bleach, tumble drying, ironing and dry cleaning to maximise the life of the garment.

Need Help?

Need Help Choosing the Right Drysuit Undersuit?

Choosing the right drysuit undersuit depends on your diving environment, water temperature and existing layering system. If you're unsure whether the Arctic X Jacket or HALO A°R is the better option, our team can help you select the most suitable thermal protection for your diving.

Contact Us for Advice