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Bare

Bare Polar Xtreme Undersuit

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Features of Bare Polar Xtreme

Product description of Bare Polar Xtreme Undersuit

Description summary

Defy the cold with the BARE Polar Xtreme, our warmest undersuit. Powered by advanced Primaloft Gold Insulation with Cross Core Technology, it offers best-in-class, compression-resistant warmth without the bulk. This breathable, moisture-wicking suit keeps you dry and comfortable, while diver-focused features like thumb loops, stirrups, and hand warmer pockets ensure a perfect fit under your drysuit. Made with 90% recycled content, it’s the ultimate thermal layer for your most extreme dives

Made from an advanced thermal technology that is both breathable and compression resistant.

Best-in-class insulation designed for repeated compression and durability.

Our warmest Polar Undergarment incorporating Primaloft Gold Insulation with Cross Core Technology.

PRODUCT DETAILS.

FEATURES AND BENEFITS.

Primaloft Insulation incorporates.

Warmth without bulk.

Reduction of weight required to submerge.

Breathable.

Water Resistant.

90% Recycled Content.

100% PFC Free.

Ultra-fine fibers are designed to trap warmth.

Allow comfort and thermal regulation.

Includes moisture management technology that acts as a second stage in moisture movement away from the skin.

Incorporates quick drying characteristics for rapid evaporation keeping you dry and comfortable.

High warmth-to-weight ratio delivers the exact warmth and breathability required for dive applications.

Zippered chest pocket designed to store keys or cards.

Thumb loops to keep sleeve in place while donning drysuit.

Extra-long front zipper (2-way convenience access).

Hand warmer pockets.

Elastic waist cinch.

Stitched Buttonholes for P-valve installation.

Lycra stirrups keep pants in place when donning drysuit.

Packaged in BARE branded stuff sack bag.

TECHNICAL SPECIFICATIONS.

Our warmest Polar Undergarment incorporating 100% PFC materials.

Exterior:

Stretch Polyester for durability and wind resistance.

Insulation:

Primaloft Gold Insulation with Cross Core Technology.

Interior:

100% Polyester Fleece

Specifications

Manual

Technical specifications of Bare Polar Xtreme

Features of Bare Polar Xtreme

Color Black

Color

Black

Gender Men

Gender

Men

Age Adult

Age

Adult

Key differentiators

Breathable, moisture-wicking, and quick-drying materials for superior thermal regulation and comfort.

Constructed with 90% recycled content and is 100% PFC-free.

Diver-focused design with thumb loops, Lycra stirrups, and an elastic waist cinch for a secure fit under a drysuit.

Features Primaloft Gold Insulation with Cross Core Technology for best-in-class, compression-resistant warmth.

Includes practical features such as hand warmer pockets, a zippered chest pocket, and an extra-long 2-way front zipper.

Technology in Bare Polar Xtreme Undersuit

Energy rating

Warnings

/ 5

1 Reviews

What our customers are saying about Bare Polar Xtreme Undersuit

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Include AI Generated questions and answers

2026-09-13

Generated by AI and verified

Bare Polar Xtreme Undersuit

What makes the Bare Polar Xtreme Undersuit suitable for extreme dives?

Answer of Generated by AI and verified

The Bare Polar Xtreme is our warmest undersuit, designed for cold water conditions. It features Primaloft Gold Insulation with Cross Core Technology for excellent, compression-resistant warmth. The suit is also breathable, water-resistant, and quick-drying to keep you comfortable and dry under your drysuit.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Bare Polar Xtreme Undersuit

What materials are used in the Polar Xtreme Undersuit?

Answer of Generated by AI and verified

This undersuit is constructed with a stretch polyester exterior for durability, Primaloft Gold Insulation with Cross Core Technology, and a 100% polyester fleece interior for comfort.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Bare Polar Xtreme Undersuit

Is the Bare Polar Xtreme undersuit environmentally conscious?

Answer of Generated by AI and verified

Yes, this undersuit is made with 90% recycled content and is 100% PFC-free, reflecting a commitment to using more sustainable materials.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Bare Polar Xtreme Undersuit

What insulation is used in this undersuit?

Answer of Generated by AI and verified

This undersuit uses Primaloft Gold Insulation with Cross Core Technology, which provides high warmth-to-weight ratio and is designed to resist compression, maintaining thermal performance during dives.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Bare Polar Xtreme Undersuit

Does this undersuit have pockets?

Answer of Generated by AI and verified

Yes, it is equipped with hand warmer pockets and a zippered chest pocket suitable for storing small items like keys or cards.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Bare Polar Xtreme Undersuit

What features help with putting on a drysuit over this undersuit?

Answer of Generated by AI and verified

To make donning a drysuit easier, this undersuit includes thumb loops to keep the sleeves in place and Lycra stirrups to prevent the pant legs from riding up.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Bare Polar Xtreme Undersuit

Is this undersuit breathable and does it manage moisture?

Answer of Generated by AI and verified

Yes, the suit is designed to be breathable and incorporates moisture management technology. It wicks moisture away from the skin and has quick-drying properties to keep you dry and comfortable.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Bare Polar Xtreme Undersuit

What kind of zipper does the Polar Xtreme undersuit have?

Answer of Generated by AI and verified

It features an extra-long, 2-way front zipper for convenient access.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Bare Polar Xtreme Undersuit

Is this undersuit designed for a specific gender?

Answer of Generated by AI and verified

Yes, this Bare Polar Xtreme Undersuit is designed for men.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Bare Polar Xtreme Undersuit

Can I install a P-valve on this undersuit?

Answer of Generated by AI and verified

Yes, the suit comes with stitched buttonholes specifically designed for P-valve installation.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Bare Polar Xtreme Undersuit

Is this undersuit intended to be worn alone or with other gear?

Answer of Generated by AI and verified

The Bare Polar Xtreme is an undersuit designed to be worn as a thermal layer under a drysuit for diving in cold water.

* Generated by AI based on customer and product data

Ask a technical question about this product

Frequently bought together
Best sellers

Use cases

Technical and Decompression Diving 100% Fit

Engineered for elite divers, this undersuit provides superior, compression-resistant warmth essential for long, cold decompression stops. Features like stitched buttonholes for P-valve installation and a two-way front zipper are specifically designed for the demands of technical diving.

Primaloft Gold Insulation with Cross Core Technology,compression-resistant warmth,stitched buttonholes for P-valve installation,extra-long front zipper (2-way convenience access)

Cold Water Drysuit Diving 100% Fit

As a top-tier thermal layer under a drysuit, its Primaloft Gold insulation offers best-in-class warmth without bulk. The moisture-wicking and breathable fabric ensures comfort by managing perspiration during strenuous dives in frigid environments.

insulation,compression-resistant warmth,breathable,moisture-wicking

Advanced Recreational Diving 80% Fit

For recreational divers pushing their limits in cooler waters, this undersuit offers professional-grade thermal protection and comfort. Thumb loops and stirrups prevent the suit from riding up, ensuring a perfect fit and eliminating distractions during the dive.

thumb loops,stirrups,elastic waist cinch,hand warmer pockets

Underwater Photography and Videography 80% Fit

This undersuit provides the necessary warmth for long, stationary periods often required when capturing underwater images. The excellent flexibility and moisture-wicking properties maintain comfort, allowing the diver to focus entirely on their craft without being hindered by cold or discomfort.

compression-resistant warmth,moisture-wicking,breathable,zippered chest pocket

Best for

Best for Elite Cold-Water Divers

This undersuit delivers elite, compression-resistant warmth and exceptional comfort for demanding dives, featuring Primaloft Gold Insulation with Cross Core Technology and multiple hand warmer pockets.

Insulation: Primaloft Gold Insulation with Cross Core Technology, Features: [compression-resistant warmth, hand warmer pockets]

Ideal for Divers

Engineered for superior flexibility, this suit's breathable, moisture-wicking materials, along with thumb loops and stirrups, ensure a secure fit that supports a full range of motion.

Features: [breathable, moisture-wicking, thumb loops, stirrups]

Top Choice for Divers

This undersuit combines professional-grade thermal protection with a forward-thinking design, featuring 90% recycled content and a 100% PFC-free construction.

Features: [90% recycled content, 100% PFC free]

Engineered for Technical Diving Expeditions

With features like stitched buttonholes for P-valve installation, a durable water-resistant synthetic outer, and quick-drying properties, this suit is built for extended and repeated use in extreme environments.

Features: [stitched buttonholes for P-valve installation, water resistant, quick drying], Outer material type: synthetic

Benefits

Ideal buyer profiles

The Premium Diver

This diver invests in top-tier equipment for maximum performance and comfort during challenging cold-water dives. They prioritize advanced materials and features that enhance their experience and safety in extreme environments, and they are willing to pay for superior quality and technology.

The Bare Polar Xtreme Undersuit meets their needs with its high-performance Primaloft Gold Insulation with Cross Core Technology, providing superior, compression-resistant warmth. Features like thumb loops, stirrups, and an elastic waist cinch ensure excellent flexibility and a secure fit, while the durable, water-resistant synthetic outer material is built for demanding conditions.

The Diver

This individual is passionate about protecting the marine environments they explore and actively seeks out gear made with sustainable practices and materials. For them, product performance is just as important as its environmental impact, and they support brands that demonstrate a commitment to sustainability.

This undersuit is an ideal choice because it's made with 90% recycled content and is 100% PFC-free, directly aligning with their environmental values. It allows them to invest in high-performance thermal protection without compromising their commitment to sustainability.

The Technical Diver

This user engages in advanced or technical diving that requires specialized equipment and extended time underwater. They need gear that is not only warm and comfortable but also highly functional and compatible with other technical equipment, such as P-valves.

We've designed this undersuit with the technical diver in mind, featuring stitched buttonholes for easy P-valve installation. The compression-resistant warmth from the Primaloft Gold insulation is critical for deep dives, and the breathable, moisture-wicking fabric keeps them comfortable during long excursions. The extra-long, 2-way front zipper adds crucial convenience.

Competitive features

When evaluating thermal protection for diving, it's crucial to distinguish between different types of gear. The Bare Polar Xtreme is a high-performance undersuit designed to be worn under a drysuit for maximum warmth in extreme cold. This contrasts with the other products listed, such as the Bare Reactive, Salvimar Marina, Apeks Thermiq, and Scubapro Classico, which are all standalone wetsuits that provide thermal insulation through neoprene thickness. The primary difference lies in their intended use: the Polar Xtreme is a specialized thermal layer for drysuit diving, while the others are complete wetsuits for direct water contact.

Where it excels

The Bare Polar Xtreme excels in providing maximum, compression-resistant warmth for the most extreme cold-water dives, thanks to its advanced Primaloft Gold Insulation with Cross Core Technology. As a dedicated undersuit, it offers superior moisture-wicking and breathability to keep you dry and comfortable under a drysuit, a feature not central to standard wetsuits. It is constructed with 90% recycled content, making it a more sustainable choice for environmentally conscious divers.

Consider alternatives if...

If you are looking for a single-piece solution for thermal protection and do not use a drysuit, a traditional wetsuit like the Bare Reactive or Apeks Thermiq would be a more appropriate choice. The Polar Xtreme is not a wetsuit and offers no insulation or protection on its own in the water.

Verdict

The Bare Polar Xtreme Undersuit is a top-tier thermal solution specifically for advanced and technical divers using a drysuit in extreme cold-water environments. Its purpose is to provide warmth without bulk. It is not a substitute for a wetsuit. Divers who need a standalone suit for temperate or warm water should look to traditional neoprene wetsuits like the others in this comparison.

Specs comparison

Specs vs competitors

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