Womens Performance Swim Base Layers

Mares Women's Trilastic Rash Guard Shirt Long Sleeve

30 reviews

SKU: MRSWRGLSPK8

^$54.95

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In Stock

DESCRIPTION

A comfortable and protective long sleeve rash guard for women, perfect for scuba and water sports.

Lavacore Women's Long Sleeve Shirt

15 reviews

SKU: LVCSLSW14

^$129.95

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In Stock

DESCRIPTION

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

O'Neill Women's UPF 50+ Basic Skin Long Sleeve Rash Tee

14 reviews

SKU: ONL4340FPLG

^$39.95

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In Stock

DESCRIPTION

A women's long sleeve rash tee with UPF 50+ protection, quick-dry design, and added comfort.

NeoSport 1.5mm Xspan Women's Long Sleeve Top

13 reviews

SKU: NSPPLSSW10

~~$99.95~~ Save: $20 (20%)

^$79.95

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In Stock

DESCRIPTION

A 1.5mm XSPAN women's long sleeve top with 4-way stretch neoprene, flat lock seams, and no zipper design.

Lavacore Women's Long Sleeve Hooded Shirt

5 reviews

SKU: LVCHSW8

^$159.95

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In Stock

DESCRIPTION

A thermal long sleeve hooded shirt with Polytherm tri-laminate, windproof, breathable, and SPF 50+ protection.

O'Neill Hyperfreak Skins Women's Long Sleeve Rash Guard

3 reviews

SKU: ONLHLSRWLRCH

^$60.95

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In Stock

DESCRIPTION

A lightweight long sleeve rash guard in soft nylon/spandex, offering UPF 50+ sun protection and quick-dry comfort.

Scubapro T-Flex Women's Long Sleeve Rash Guard Top

2 reviews

SKU: SCPTFWLR2XLC

^$89

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In Stock

DESCRIPTION

A long sleeve women's rash guard made from recycled polyester with UPF 50 sun protection and four-way stretch.

Lavaskin by Oceanic Women's Short Sleeve Shirt

1 reviews

SKU: LVCSWSSW16

^$69.95

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In Stock

DESCRIPTION

A comfortable and protective short sleeve shirt for women, perfect for scuba diving, with a 4-way stretch and neutral buoyancy.

Lavacore Women's Short Sleeve Shirt

1 reviews

SKU: LVCSSW8

^$119.95

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In Stock

DESCRIPTION

A female-specific short sleeve scuba top with antibacterial fleece and thermal insulation.

Spacefish Army Electric Blue Octofloral Women's Long Sleeve Rashguard

1 reviews

SKU: SFABRTWXL

^$79

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In Stock

DESCRIPTION

A flexible, tight-fitting rashguard with intricate Hawaiian-tentacle artwork, SPF50 sun protection, and lasting color vibrancy.

Scubapro 1mm Definition Women's Full Wetsuit

1 reviews

SKU: SCPDFS1WXS

^$279

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In Stock

DESCRIPTION

A 1mm full wetsuit for women, designed for warm-water dives and pool sessions, with eco-friendly neoprene.

Sharkskin Chillproof Women's Short Sleeve Top

1 reviews

SKU: SHSCCSSW14

^$219.99

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In Stock

DESCRIPTION

A windproof and breathable short sleeve top for women, with 3 layers for warmth and moisture management.

Bare Ultrawarmth Base Layer Women's Top

1 reviews

SKU: BREMUWBLTWXL

^$124.95

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In Stock

DESCRIPTION

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

Waterproof R30 Short Sleeve Rash-Guard, Women's

SKU: WPGR3SWXSS

^$78.10

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In Stock

DESCRIPTION

A women's short sleeve rash-guard made of spandex, ideal for scuba diving, with flat-lock stitching for added comfort.

O'Neill Hyperfreak Skins Women's Short Sleeve Rash Guard

SKU: ONLHSSRWMDTM

^$57.95

+ wishlist

In Stock

DESCRIPTION

A lightweight short sleeve rash guard in soft nylon/spandex with UPF 50+ and quick-dry stretch fabric.

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.

Waterproof R30 Long Sleeve Rash-Guard, Women's

SKU: WPGR3LW23X

^$91.30

+ wishlist

In Stock

DESCRIPTION

A women's long sleeve rash-guard made of spandex, ideal for scuba diving, with flat-lock stitching for added durability.

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.

Scubapro UPF 80 T-Flex Long Sleeve Rash Guard for Women

SKU: SCPU8WGRLR

^$99

+ wishlist

In Stock

DESCRIPTION

A high-performance, statement-making rash guard with unbeatable UPF 80 UV protection, easy donning, and super-soft, high-stretch material.

Apeks ThermiQ Carbon Long Sleeve Top for Women

SKU: APXTLWWMD

~~$149~~ Save: $89.03 (60%)

^$59.97

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In Stock

DESCRIPTION

A flexible and warm triple-layered soft shell top with advanced graphene lining for female scuba divers.

Fourth Element Arctic Women's One Piece

SKU: FRTAW1PWM

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

^$398.97

+ wishlist

In Stock

DESCRIPTION

An eco-friendly, high-insulation one-piece thermal suit with front zip and hand warmer pockets for women divers.

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.

Sharkskin Chillproof Women's Long Sleeve Front Zip Top and Pants Package

SKU: SHSCFTWP

~~$439.98~~ Save: $44 (10%)

^$395.98

+ wishlist

In Stock

DESCRIPTION

A Neutrally buoyant women's top and pants package with thumb loops and 3-layer membrane for wind and water protection.

Sharkskin Chillproof Women's Chest Zip Long Sleeve Top

SKU: SHSCCLTWBB16

~~$209.99~~ Save: $80.02 (38%)

^$129.97

+ wishlist

In Stock

DESCRIPTION

A women's long sleeve top offering windproof, water-resistant warmth with Chillproof neoprene and nylon/spandex material.

Fourth Element Thermocline Long Sleeve Top Women's

SKU: FRTTLTW12

^$305

+ wishlist

In Stock

DESCRIPTION

A lightweight, hypoallergenic black top made from recycled nylon, offering breathable thermal protection and UV resistance.

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Womens Performance Swim Base Layers

Women’s performance swim base layers offer a versatile foundation for aquatic activities, delivering comfort, protection, and technical support across a wide range of water temperatures and environments. Whether you’re slipping into a wetsuit for a summer dive, logging laps at the local pool, or gearing up for a brisk early morning open-water swim, these base layers are designed to regulate body temperature, manage moisture, and prevent chafing. The right base layer can make a significant difference in your experience—helping to ward off chill during longer sessions, providing a smooth barrier against rougher outerwear, and offering sun protection for those long days under open skies. Lightweight, quick-drying options with UPF ratings are ideal for warm-water and poolside use, delivering both coverage and breathability without sacrificing freedom of movement. For those who venture into cooler waters or participate in extended training sessions, technical fabrics engineered for insulation and moisture-wicking become essential, trapping warmth close to the skin while drawing perspiration away to keep you dry and comfortable. Many base layers also feature antimicrobial treatments to keep odors at bay, a welcome touch for anyone who’s ever zipped up after a full day on the water.

Thoughtful details—like flatlock seams, thumb loops, or integrated foot straps—can enhance fit and minimize irritation, especially during repetitive motion or when worn beneath snug wetsuits or drysuits. Durability and easy care are important considerations, particularly for active women who rotate between swimming, snorkeling, paddle sports, and diving. As the weather transitions from the first warmth of summer through the cooler breezes of early fall, layering strategies become even more important. Thermal base layers made from advanced synthetics or natural fibers like merino wool provide adaptable warmth for changing conditions, making them a smart choice for travel or unpredictable climates. These garments are also practical gifts for anyone passionate about water sports—whether it’s a friend training for their first triathlon, a family member preparing for a tropical vacation, or a seasoned diver updating their gear. Selecting the right base layer involves considering not only the intended activity and water temperature, but also personal preferences for fit, stretch, and fabric feel. For those seeking even more flexibility and range of motion, a dedicated collection of Womens Flexible Swim Base Layers offers options tailored to active lifestyles and dynamic movement in and out of the water.

Investing in a quality performance swim base layer means enjoying greater confidence and comfort, whether you’re exploring coral reefs, powering through a swim workout, or simply relaxing at the shoreline. The best choices blend technical innovation with practical features, supporting a wide spectrum of aquatic pursuits through the changing seasons. With a well-chosen base layer, you’ll be prepared for whatever the water—and the weather—brings, from sun-drenched afternoons to refreshingly cool dawn dives.