Layering Undergarments

NeoSport Unisex Sports Skin Suit

651 reviews

SKU: BLRLMMDPR

~~$69.95~~ Save: $10 (14%)

^$59.95

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In Stock

DESCRIPTION

A form-fitting unisex spandex skin suit for scuba and snorkeling with internal key pocket and defense against irritants.

Pros

Durable and well-made
Good value for the price
Easy to put on and take off
Provides protection and prevents sunburn
Quick-drying and lightweight

Cressi Skin 1mm Suit

33 reviews

SKU: CSBS1NSMBKPK

^$69.95

+ wishlist

In Stock

DESCRIPTION

A 1mm nylon neoprene suit by Cressi with reduced drag, UV protection, and convenient features like a long front zipper.

Pros

Good quality and durability
Great fit and comfort
Suitable for various water activities
Convenient features and easy to use
Provides extra warmth and protection

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.

Bare Ultrawarmth Base Layer Pants for Men

3 reviews

SKU: BREMUWBLPMD

^$102.95

+ wishlist

In Stock

DESCRIPTION

A stretchy, moisture-wicking fleece base layer for men with infrared technology for ultimate warmth and dryness.

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.

Cressi Cobia Rash Guard

2 reviews

SKU: CSBCRGBL2X

^$99.95

+ wishlist

In Stock

DESCRIPTION

A hooded rash guard made of 1mm premium neoprene with padded chest and thumb loops.

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.

Bare Ultrawarmth Base Layer Women's Top

1 reviews

SKU: BREMUWBLTWXL

^$124.95

+ wishlist

In Stock

DESCRIPTION

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

Waterproof Body 2X Top, Men's Undergarment

1 reviews

SKU: WPGBD2XTMMD

^$217.80

+ wishlist

In Stock

DESCRIPTION

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

Fourth Element J2 Women's Pants

SKU: FRTJ2WPL

^$160

+ wishlist

In Stock

DESCRIPTION

A sustainable and comfortable base layer pants for female divers seeking prolonged thermal performance and moisture-wicking.

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.

Waterproof Body X Bottom, Women's Undergarment

SKU: WPGBDXBWXL

^$151.80

+ wishlist

In Stock

DESCRIPTION

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

Fourth Element J2 Women's Bra

SKU: FRTJ2WBM

^$105

+ wishlist

In Stock

DESCRIPTION

A sustainable, anti-microbial women's bra made from recycled polyester for prolonged comfort and thermal performance.

Fourth Element Xerotherm Women's Top

SKU: FRTXTWTM

^$249

+ wishlist

In Stock

DESCRIPTION

A women's thermal diving top made with Polartec Powerstretch for superior insulation and moisture wicking.

Fourth Element J2 Men's Short Sleeve Top

SKU: FRTJ2MSL

^$89

+ wishlist

In Stock

DESCRIPTION

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

Waterproof Body 2X Top, Women's Undergarment

SKU: WPGBD2XTWLR

^$217.80

+ wishlist

In Stock

DESCRIPTION

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

Fourth Element X-Core Men's Vest

SKU: FRTXC2X

^$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 Long Sleeve Top

SKU: FRTJSWL

^$160

+ wishlist

In Stock

DESCRIPTION

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

Fourth Element J2 Men's Shorts

SKU: FRTJ2SM2XL

^$99

+ wishlist

In Stock

DESCRIPTION

A high-performing, eco-friendly base layer shorts for men, designed for prolonged comfort and thermal performance.

Fourth Element Arctic Women's One Piece

SKU: FRTAW1PWXL

~~$499~~ Save: $100.03 (20%)

^$398.97

+ wishlist

In Stock

DESCRIPTION

An eco-friendly, high-insulation polyester one-piece with front zip, hand warmer pockets, and advanced thermal protection.

Cressi 2.5mm Core Vest Base Layer for Men

SKU: CSB25BVM2X

^$89.95

+ wishlist

In Stock

DESCRIPTION

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

Fourth Element J2 Men's Pants

SKU: FRTJ2MPM

^$160

+ wishlist

In Stock

DESCRIPTION

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

Waterproof Body X Top, Women's Undergarment

SKU: WPGBDXTWXL

^$151.80

+ wishlist

In Stock

DESCRIPTION

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

Waterproof Body 2X Bottom, Women's Undergarment

SKU: WPGBD2XBWXS

^$217.80

+ wishlist

In Stock

DESCRIPTION

A highly functional, gender-specific fleece undergarment with excellent thermal insulation and moisture-wicking properties.

Fourth Element J2 Men's Long Sleeve Top

SKU: FRTJSMM

^$160

+ wishlist

In Stock

DESCRIPTION

A moisture-wicking, anti-microbial long sleeve base layer made from recycled polyester for superior warmth and comfort.

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Layering Undergarments

Layering undergarments play a crucial role in the comfort and performance of anyone spending time in or around the water, especially as the weather transitions from the lingering cool of spring into the warmth of summer. For divers, snorkelers, paddlers, and outdoor enthusiasts, the right base layer can make all the difference—whether you’re gearing up for an early-morning dive, a breezy boat ride, or simply seeking extra comfort beneath your wetsuit. These undergarments are specifically designed to manage moisture, regulate temperature, and reduce chafing, ensuring you stay dry and comfortable no matter how active your day becomes. The right fit is close to the skin, allowing the material to wick sweat away efficiently and provide a smooth interface between your body and any outer layers. Lightweight options are ideal for high-exertion activities or when the air turns muggy, while midweight and heavier choices offer reliable insulation during those unpredictable, cool mornings or after sunset when the breeze picks up. Materials like merino wool, synthetic blends, and silk each offer unique benefits—merino is prized for its natural odor resistance and ability to insulate when damp, synthetics dry quickly and withstand frequent use, and silk provides a barely-there feel for low-bulk layering.

Selecting the ideal layering undergarment comes down to your personal needs and the conditions you expect to face. Divers often look for undergarments that add warmth beneath a wetsuit or drysuit without restricting movement, while snorkelers and paddleboarders may prefer lightweight, quick-drying tops and bottoms that offer sun protection and reduce friction from gear. These pieces also make thoughtful gifts for anyone with a passion for aquatic adventures—think of a friend preparing for their first open-water certification, a family member heading on a summer vacation to the coast, or a fellow enthusiast who values comfort during long days outdoors. Layering undergarments are versatile, serving as a foundation for a range of activities beyond water sports, such as hiking, camping, or cycling, especially when the weather is unpredictable. If you’re considering building a dependable layering system, or simply want to explore more about how to combine base layers with other performance apparel for year-round comfort, our Layering Sports Apparel page offers further insight and recommendations. With the right base layer, you can extend your time outside, stay focused on the experience, and ensure every adventure is as enjoyable and comfortable as possible.