KWARK Power Stretch Navy Undersuit 

Premium Dry Suit Liner for Men & Women

Enhance your scuba diving adventures with the KWARK Power Stretch Navy Undersuit, a cutting-edge dry suit liner available at No Gravity Divers. Engineered for both men and women, this undersuit is the ultimate addition to your diving gear, delivering exceptional warmth, flexibility, and durability in the coldest UK diving environments.

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Overview

Diving in UK waters often means battling low temperatures and unpredictable conditions. The KWARK Power Stretch Navy Undersuit is designed to meet those challenges head-on. Made from military-grade Power Stretch Navy fabric—the same material trusted by US Army special forces—this undersuit matches the thermal performance of a 400 g/m² Thinsulate liner while remaining ultra-lightweight (just 1.5 kg). By providing superior thermal insulation, moisture management, and odor resistance, this undersuit ensures you stay warm, dry, and comfortable during every dive.

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Key Features & Benefits

1. Next-Level Thermal Protection

• Power Stretch Navy Material
  Crafted from high-performance Power Stretch Navy fabric, this undersuit delivers thermal insulation equivalent to 400 g/m² Thinsulate, making it one of the best diving gear options for cold-water scuba diving.

• Superior Warmth in Cold Water
  Optimal for UK diving equipment setups, it maintains core body temperature even when your dry suit floods, preventing cold shock and extending bottom time.

2. Unrestricted Freedom of Movement

• Ergonomic, Tailored Cut
  Designed to fit both men and women, the anatomically correct cut allows for full range of motion during fin kicks, gear adjustments, and tight underwater maneuvers.

• Flatlock Seams
  Minimize chafing and pressure points under a dry suit, ensuring all-day comfort without any restriction.

3. Lightweight & Streamlined

• Just 1.5 kg Total Weight
  A fraction of the weight of traditional fleece liners, reducing bulk and making it easier to pack for travel.

• Reduced Ballast Requirements
  Save at least 2 kg of ballast compared to heavier liners, delivering a more streamlined profile and improved hydrodynamics.

4. Rapid Drying & Odor Resistance

• Quick-Dry Fabric
  Dries within hours after accidental wetting or post-dive checks, making it perfect for back-to-back dives or multi-day liveaboard trips.

• Special Impregnation
  Resists unpleasant odors, ensuring your undersuit stays fresh even after repeated use.

5. Versatility & Durability

• Breathable Construction
  Wicks moisture away from your skin during dry-suit dives, preventing clamminess and improving thermoregulation.

• Water-Resistant Finish
  Repels light moisture to maintain insulation, so you stay warm even if your dry suit leaks briefly.

• Military-Grade Durability
  Fabric tested to strict standards for abrasion resistance and long-lasting performance.

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Detailed Product Description

The KWARK Power Stretch Navy Undersuit is a premium dry suit liner tailored for scuba divers of all levels seeking reliable cold-water protection. Its Power Stretch Navy material traps heat close to the body without adding bulk, even in sub-10 °C UK coastal waters. The slim, streamlined design reduces drag and allows for easy layering under trilaminate or dry cordura dry suits. Both men and women will appreciate the gender-specific cut that contours naturally to the body, eliminating folds and bunching under thick neoprene or traditional fleece liners.

Flatlock stitching reduces internal friction against your skin, making each dive more comfortable. Whether you’re a beginner learning buoyancy control or an experienced technical diver carrying multiple cylinders, this undersuit integrates seamlessly into your diving gear setup. Pair it with a KWARK Power Stretch Navy hood for extra head and neck warmth when tackling frigid dive sites such as the Scottish wrecks or Arctic expeditions.

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Technical Specifications

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How This Undersuit Enhances Your Diving Experience

 Cold-Water Comfort

UK diving conditions can be challenging, with water temperatures often dipping below 10 °C. The KWARK Power Stretch Navy Undersuit’s advanced insulation ensures you stay warm even if your dry suit floods. Unlike bulky fleece liners that lose insulation when wet, this Power Stretch fabric retains heat and dries rapidly, letting you focus on exploring wrecks, reefs, and caverns rather than fighting the cold.

 Streamlined Performance

Bulky undergarments create drag and force you to add more ballast, which can ruin your trim and buoyancy. By switching to this lightweight undersuit, you’ll experience less resistance underwater, glide effortlessly through UK dive sites, and reduce overall kit weight. This is especially beneficial for technical divers carrying twinsets, stage tanks, or extended-range gear.

Effortless Donning & Doffing

The anatomically shaped panels and stretchy fabric allow for quick and hassle-free dressing under a dry suit. Flat seams prevent pinching at critical areas like shoulders and hips, so you can prepare for your dive within minutes without the struggle of bulky underlayers.

Odor-Free Performance

Cold-water wreck dives, liveaboard expeditions, and multi-day dive trips can create odor challenges with traditional liners. Thanks to its special impregnation, the Power Stretch Navy Undersuit resists bacteria and odors, keeping you feeling fresh throughout the entire trip.

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Integration into Your Diving Gear Setup

Suitable for All Divers

• Beginners: Provides reliable warmth to build confidence and extend dive time while mastering buoyancy in UK diving conditions.

• Advanced & Technical Divers: Streamlined design reduces drag and ballast requirements, critical when carrying technical equipment and multiple tanks.

• Professional/Commercial Divers: Delivers military-grade durability and thermal performance for long underwater work sessions.

Gear Compatibility

• Dry Suits: Perfect for use under trilaminate, membrane, or Cordura dry suits. No “ballooning” effect ensures steady trim.

• Hoods & Additional Layers: Pair with a KWARK Power Stretch Navy hood or thinner mid-layers for complete head-to-toe thermal protection during extreme cold-water dives.

• Modular Setups: Combine with thinner baselayers in milder UK waters to create a flexible layering system for year-round use.

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Why Choose No Gravity Divers?

As the UK’s leading scuba diving equipment provider, No Gravity Divers offers more than just top-tier products—we provide peace of mind. When you purchase a KWARK Power Stretch Navy Undersuit from us, you benefit from:

• Expert Advice & Support
  Our team of experienced dive instructors and gear specialists will help you select the right size and compatible equipment, ensuring your diving gear setup is optimized for UK conditions.

• Quality Assurance
  We only stock brands renowned for innovation and reliability. KWARK’s military-grade fabric exemplifies our commitment to performance under extreme conditions.

• Fast UK Shipping
  Get your undersuit delivered quickly, so you can be ready for your next cold-water dive without delay.

• Aftercare & Servicing
  From equipment maintenance to dry suit repair referrals, our post-purchase support ensures your investment lasts dive after dive.

 

 

 

 

 

 

 

To distinguish women’s sizes from unisex clothing, women’s sizes are labeled as fashion numbers: 36, 38, 40, 42, 44, 46.

Size	36	38	40	42	44	46
Bust (MM bust)*	86 92*	90 96*	94 100*	98 104*	102 108*	106 112*
Waist	66	70	74	78	82	86
Hips	94	98	102	106	110	114
Height	164	166	168	170	172	174