High Warmth To Weight Base Layers

Lavacore Men's Long Sleeve Shirt

23 reviews

SKU: LVCSLSMML

^$129.95

+ wishlist

In Stock

DESCRIPTION

A neutrally buoyant long sleeve shirt with a soft fleece inner layer for warmth and antibacterial properties.

Pros

High quality
Effective buoyancy
Provides warmth
Versatile use
Comfortable fit

O'Neill Thermo X Long Sleeve Rash Guard

17 reviews

SKU: ONLTXLTMD

^$71.95

+ wishlist

In Stock

DESCRIPTION

A high-performance long sleeve rash guard with incredible insulation, low bulk, and quick-dry properties for ultimate comfort and freedom of movement.

Lavacore Women's Long Sleeve Shirt

15 reviews

SKU: LVCSLSW6

^$129.95

+ wishlist

In Stock

DESCRIPTION

A female-specific, thermal-insulated long sleeve top with 4-way stretch and neutrally buoyant material.

Lavacore Men's Short Sleeve Shirt

15 reviews

SKU: LVCSSMML

^$119.95

+ wishlist

In Stock

DESCRIPTION

A neutrally buoyant men's short sleeve shirt with antibacterial fleece, 4-way stretch, and thermal insulation.

Lavacore Men's Vest

14 reviews

SKU: LVCVMLR

^$99.95

+ wishlist

In Stock

DESCRIPTION

A neutrally buoyant men's vest with 4-way stretch, soft fleece inner layer, and antibacterial properties.

Lavacore by Oceanic Men's Long Sleeve Hooded Shirt

9 reviews

SKU: LVCHSM3XL

^$159.95

+ wishlist

In Stock

DESCRIPTION

A men's long sleeve hooded shirt offering thermal control, SPF 50+ protection, and exceptional flexibility.

Lavacore Pants Unisex

7 reviews

SKU: LVCPLR

^$139.95

+ wishlist

In Stock

DESCRIPTION

A buoyant, antibacterial, and breathable unisex scuba pants with 4-way stretch for comfort.

Scubapro 1mm Hybrid Thermal Men's Long Sleeve Top

5 reviews

SKU: SCPHTTLMXL

^$119

+ wishlist

In Stock

DESCRIPTION

A form-fitting, sleek hydrodynamic men's long sleeve top made of neoprene for thermal insulation.

Sharkskin Titanium 2 Men's Front Zip Long Sleeve Top

3 reviews

SKU: SHST2LM2X

^$299.99

+ wishlist

In Stock

DESCRIPTION

A men's front zip top with unmatched thermal protection, titanium-infused technology, and luxe inner layer.

Bare ExoWear Pants Women's, Black

3 reviews

SKU: BREPW12

^$179.95

+ wishlist

In Stock

DESCRIPTION

A Black ExoWear pants for women with maximum thermal protection, OMNIRED Infrared Technology, and 3-layer fabric.

Bare Ultrawarmth Base Layer Pants for Men

2 reviews

SKU: BREMUWBLPXL

^$102.95

+ wishlist

In Stock

DESCRIPTION

A highly-rated, stretchable fleece base layer pants for men that provide ultimate warmth and moisture-wicking capabilities.

Bare Ultrawarmth Base Layer Top for Men

2 reviews

SKU: BREMUWBLTXL

^$124.95

+ wishlist

In Stock

DESCRIPTION

A highly-rated, stretchable fleece base layer top for men that converts body heat into infrared energy.

Fourth Element Arctic Top for Women

1 reviews

SKU: FRTATW2XS

~~$225~~ Save: $195.03 (87%)

^$29.97

+ wishlist

In Stock

DESCRIPTION

A women's Arctic top with two-layer insulation, tailored fit, longer length, and high-density fleece for maximum warmth and comfort.

Fourth Element XT250 Xerotherm Top Men's

1 reviews

SKU: FRTXTM3XL

^$203.70

+ wishlist

In Stock

DESCRIPTION

A men's base layer top made with Xerotherm insulation technology and Polartec Powerstretch fabric.

Waterproof Body 2X Top, Men's Undergarment

1 reviews

SKU: WPGBD2XTMMD

^$198

+ wishlist

In Stock

DESCRIPTION

A technically advanced men's undergarment with high thermal insulation and excellent moisture-wicking properties.

Bare ExoWear Long Sleeve Top Men's, Black

1 reviews

SKU: BRETMSM

^$179.95

+ wishlist

In Stock

DESCRIPTION

A 2mm black long sleeve top for men with maximum thermal protection and neutrally buoyant exposure.

Bare Ultrawarmth Base Layer Women's Pants

SKU: BREMUWBLPWXS

^$102.95

+ wishlist

In Stock

DESCRIPTION

A high-performance base layer pant for women that utilizes Omni red Infrared Technology to convert body heat into infrared energy.

Sharkskin High Performance Long Sleeve Top for Men

SKU: SHSHPLSMXL

^$199.99

+ wishlist

In Stock

DESCRIPTION

A high-performance long sleeve top for men with Chillproof panels, Titanium Far Infrared technology, and UPF50+ protection.

Fourth Element Halo AR Women's Undergarment

SKU: FRTHAUW2XL

^$799

+ wishlist

In Stock

DESCRIPTION

An advanced women's diving undergarment with ARGON aerogel insulation for exceptional warmth and comfort.

Bare Ultrawarmth Base Layer Women's Top

SKU: BREMUWBLTWXL

^$124.95

+ wishlist

In Stock

DESCRIPTION

A high-performance women's base layer top with advanced infrared technology and moisture-wicking fabric.

Bare ExoWear Front Zipper Jacket for Men, Black

SKU: BREJMSM

^$199.95

+ wishlist

In Stock

DESCRIPTION

A 2mm black Bare ExoWear Front Zipper Jacket for men with maximum thermal protection and OMNIRED Infrared Technology.

Bare Polar Stretch Mid Layer Men's Pant

SKU: BREMPBLL

^$299.95

+ wishlist

In Stock

DESCRIPTION

A form-fitting, moisture-wicking mid-layer pant for male divers with a secure pocket and P-Valve integration.

Apeks ThermiQ Carbon Long Sleeve Top for Women

SKU: APXTLWWXL

~~$149~~ Save: $49.03 (33%)

^$99.97

+ wishlist

In Stock

DESCRIPTION

A flexible, warm, and comfortable long sleeve top for women, perfect for scuba diving.

Waterproof Body X Bottom, Women's Undergarment

SKU: WPGBDXBWXL

^$138

+ wishlist

In Stock

DESCRIPTION

A technically advanced women's undergarment with high thermal insulation and moisture-wicking properties, featuring foot stirrup straps.

Sharkskin Titanium 2 Men's Top and Pant Package

SKU: PCKSHSTMTM

~~$559.98~~ Save: $56 (10%)

^$503.98

+ wishlist

In Stock

DESCRIPTION

A thermal-insulated scuba top and pant package with a water-repellent finish and moisture-wicking middle layer.

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High Warmth To Weight Base Layers

When it comes to long days spent exploring the underwater world, the difference between a memorable dive and a shivering struggle often comes down to what you wear beneath your wetsuit. High warmth to weight base layers have become an essential part of a diver’s kit, especially for those who value both comfort and performance. These layers are engineered to provide the highest warmth to weight ratio, meaning you get impressive insulation without feeling bulky or restricted. Whether you’re prepping for early morning shore dives, planning extended boat trips, or gearing up for a liveaboard adventure where water temperatures can fluctuate, these base layers help maintain core warmth and wick away moisture, keeping you dry and comfortable throughout your dive. They’re also a smart choice for snorkelers and freedivers who want to extend their time in cooler waters without sacrificing mobility. The lightweight nature of these garments makes them easy to pack, quick to dry, and versatile enough to double as cozy loungewear between dives or while traveling.

Selecting the right base layer involves considering not just warmth, but also fit, breathability, and layering compatibility. Experienced divers know that a base layer should hug the body without restricting movement, allowing your wetsuit to slide on smoothly and reducing the risk of chafing. Materials like advanced synthetics or merino blends are popular for their thermal efficiency and quick-drying properties, making them ideal for multi-dive days or trips where drying time is limited. These base layers are not only practical for cold-water diving; they’re also a thoughtful gift for anyone passionate about year-round underwater exploration, from newcomers eager to extend their dive season to seasoned divers who appreciate the difference high-performance gear can make. With June marking the start of summer in many regions, now is the perfect time to prepare for those early morning dives when surface air temperatures are still crisp or to equip yourself for travel to destinations where water temperatures remain cool even as the sun climbs higher. If you’re interested in options that balance insulation with minimal bulk, you might also want to explore our curated selection of Lightweight Wetsuit Base Layers.

High warmth to weight base layers are more than just an accessory—they’re a game-changer for anyone who values comfort, performance, and versatility in their dive wardrobe. They allow you to adapt to changing conditions, layer up or down as needed, and focus on the adventure at hand rather than the chill creeping in. Whether you’re gifting a set to a friend who’s planning a bucket-list dive trip or upgrading your own kit for a season of exploration, these base layers are a practical investment that pays off every time you slip beneath the surface. From the anticipation of gearing up at sunrise to the satisfaction of warming up between dives, having the right base layer ensures you can make the most of every moment in and out of the water.

Top Picks For High Warmth To Weight Base Layers