Lightweight Diving Undergarments

Waterproof R30 Long Sleeve Rash-Guard, Men's

2 reviews

SKU: WPGR3LM23X

^$91.30

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In Stock

DESCRIPTION

A long sleeve rash-guard made of spandex, perfect for scuba diving and providing increased warmth under a wet-suit.

Bare Ultrawarmth Base Layer Pants for Men

2 reviews

SKU: BREMUWBLP3XL

^$102.95

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In Stock

DESCRIPTION

A highly-rated, advanced base layer pants for men that use OMNIRED Infrared Technology for ultimate warmth and moisture control.

Scubapro K2 Extreme Men's Full Suit Undergarment

2 reviews

SKU: SCPK2EFUMMD

^$459

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In Stock

DESCRIPTION

A premium men's undergarment for drysuit diving, the Scubapro K2 Extreme offers superior warmth, protection, and easy wear.

Sharkskin Titanium 2 Women's Front Zip Long Sleeve Top

2 reviews

SKU: SHST2LW8

~~$299.99~~ Save: $60 (20%)

^$239.99

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In Stock

DESCRIPTION

A women's front zip long sleeve top with unmatched thermal protection and titanium-infused technology.

Bare Ultrawarmth Base Layer Top for Men

2 reviews

SKU: BREMUWBLT3XL

^$124.95

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In Stock

DESCRIPTION

A men's base layer top with OMNIRED infrared technology and advanced stretch-breathable fleece material for ultimate dry suit layering.

Sharkskin Titanium 2 Men's Front Zip Full Suit with Hood and Socks Package

1 reviews

SKU: PCKSHSTCUM

~~$739.97~~ Save: $74 (10%)

^$665.97

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In Stock

DESCRIPTION

A 5mm Sharkskin Titanium 2 men's full suit with hood and socks package for thermal protection in waters down to 68 degrees F.

Seac Unifleece Insulating Undergarment Dry Suit

1 reviews

SKU: SECUUD2XBK

^$129.90

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In Stock

DESCRIPTION

A fleece drysuit undergarment with water-repelling properties, ankle stirrups, and gear pockets.

Fourth Element XT250 Xerotherm Top Men's

1 reviews

SKU: FRTXTM3XL

^$203.70

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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: WPGBD2XTM3XL

^$217.80

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In Stock

DESCRIPTION

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

Sharkskin Titanium 2 Men's Front Zip Full Suit

1 reviews

SKU: SHSTCUWXLS

~~$599.99~~ Save: $120 (20%)

^$479.99

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In Stock

DESCRIPTION

A men's full suit offering 5mm neoprene warmth with titanium-infused Chillproof material and nylon/lycra flexibility.

Fourth Element J2 Women's Shorts

SKU: FRTJ2SWXL

^$99

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In Stock

DESCRIPTION

A sustainable, anti-microbial base layer shorts with exceptional fit and moisture-wicking design for female divers.

Cressi 2.5mm Core Vest Base Layer for Men

SKU: CSB25BVM2X

^$89.95

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In Stock

DESCRIPTION

A 2.5mm neoprene vest for men, designed to enhance warmth and comfort during underwater adventures.

Scubapro K2 Light Undergarment Pants

SKU: SCPK2LPMLR

^$89

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In Stock

DESCRIPTION

A modern, eye-catching undergarment pants made of fleece for thermal protection in temperate water.

Scubapro K2 Men's Undergarment Top

SKU: SCPK2UTMXL

^$239

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In Stock

DESCRIPTION

A breathable undergarment top for men, compatible with trilaminate and neoprene suits, featuring anti-ride-up loops and front zip.

Fourth Element Xerotherm Men's Top

SKU: FRTXTMT2XL

^$249

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In Stock

DESCRIPTION

A lightweight men's thermal top made from moisture-wicking nylon and polyester for superior drysuit insulation.

Fourth Element J2 Women's Long Sleeve Top

SKU: FRTJSWL

^$160

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In Stock

DESCRIPTION

A sustainable, anti-microbial women's base layer made from recycled polyester for prolonged thermal performance under drysuits.

XS Scuba Benthic Compression Shorts

SKU: XSSBCS2X

^$39.95

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In Stock

DESCRIPTION

A supportive, neoprene-free base layer short made from quick-drying polyester-spandex for chafe-free diving comfort.

Waterproof Body X Bottom, Women's Undergarment

SKU: WPGBDXBWXL

^$151.80

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In Stock

DESCRIPTION

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

Waterproof MeshTec 3D Women's Undergarment, Pants

SKU: WPGUMTPWXL

^$262.90

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In Stock

DESCRIPTION

A waterproof women's undergarment with patented 3D mesh lining, snug fit, and non-compressive mesh construction.

Fourth Element J2 Men's Pants

SKU: FRTJ2MPXL

^$160

+ wishlist

In Stock

DESCRIPTION

A sustainable and anti-microbial base layer pants for men, providing prolonged thermal performance and moisture-wicking design.

Fourth Element J2 Men's Short Sleeve Top

SKU: FRTJ2MSL

^$89

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In Stock

DESCRIPTION

A men's short sleeve top made from OceanPositive recycled fabric for prolonged thermal performance and anti-microbial freshness.

Fourth Element Halo AR Women's Undergarment

SKU: FRTHAUW2XL

^$839

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In Stock

DESCRIPTION

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

Fourth Element X-Core Men's Vest

SKU: FRTXCL

^$220

+ wishlist

In Stock

DESCRIPTION

A sleeveless men's vest with 4-way stretch fabric and Polartec X core technology for added warmth.

Fourth Element J2 Women's Pants

SKU: FRTJ2WPXL

^$160

+ wishlist

In Stock

DESCRIPTION

A sustainable and anti-microbial base layer pant for women divers seeking prolonged thermal performance and comfort.

Cressi 2.5mm Core Vest Base Layer for Women

SKU: CSB25BVWLR

^$94.95

+ wishlist

In Stock

DESCRIPTION

A 2.5mm neoprene vest for women that enhances warmth and comfort during scuba diving.

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Lightweight Diving Undergarments

When it comes to maximizing comfort and performance underwater, lightweight diving undergarments play a crucial role, especially during the warmer months of the year. As August brings in balmy temperatures and the lure of tropical waters, divers often seek gear that provides just enough thermal protection without the bulk or restriction of heavier layers. These undergarments are designed to be worn beneath wetsuits or drysuits, acting as a second skin that wicks away moisture, regulates body temperature, and reduces chafing. Whether you’re gearing up for a drift dive along a Caribbean reef or planning a series of shore entries on a sun-drenched coastline, the right lightweight underlayer can make all the difference. Many divers recall the relief of slipping into a featherlight base layer before pulling on a snug wetsuit—how the fabric moved with every stretch and kick, never bunching or riding up, and how it kept the skin feeling fresh even after hours in and out of the water.

These undergarments aren’t just for seasoned divers logging deep wrecks or multi-dive days. They’re a thoughtful gift for anyone new to the sport, providing an extra edge of comfort and confidence on those first few open water dives. Parents often choose them for teenagers starting dive classes, knowing the right gear can help prevent skin irritation and keep kids focused on learning instead of itching or fussing with ill-fitting suits. Instructors and dive professionals also appreciate lightweight options for their versatility—some wear them on long boat rides to stave off wind chill, while others rely on their quick-drying properties between back-to-back dives. For travelers, the compactness of these garments is a huge advantage. They pack down to almost nothing, slipping easily into carry-ons or mesh gear bags, and dry quickly after rinsing, making them ideal for dive vacations where space and time are at a premium.

Choosing the right lightweight diving undergarment involves considering the type of diving you’ll be doing, the water temperature, and your own comfort preferences. Look for materials that offer a good balance of insulation and breathability—fabrics that wick moisture away from the skin help prevent that clammy feeling after surfacing, and flatlock seams reduce the risk of chafing on long dives. Some divers prefer full-length suits for added protection against sun and stings, while others opt for separates like leggings and tops for more flexibility. If you’re interested in exploring options specifically for your upper body, our selection of Lightweight Dive Tops offers a variety of choices tailored to different needs and preferences. No matter your destination or experience level, investing in quality lightweight undergarments can transform your time in the water, keeping you comfortable, agile, and ready to make the most of every dive.

Top Picks For Lightweight Diving Undergarments