Womens Performance Swim Base Layers

Mares Women's Trilastic Rash Guard Shirt Long Sleeve

30 reviews

SKU: MRSWRGLSPK8

^$54.95

+ wishlist

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.

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.

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

13 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.

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.

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.

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.

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.

Sharkskin Chillproof Women's Short Sleeve Top

1 reviews

SKU: SHSCCSSW14

~~$219.99~~ Save: $44 (20%)

^$175.99

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In Stock

DESCRIPTION

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

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.

Lavacore Women's Short Sleeve Shirt

1 reviews

SKU: LVCSSW8

~~$119.95~~ Save: $59.98 (50%)

^$59.97

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In Stock

DESCRIPTION

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

Apeks ThermiQ Carbon Long Sleeve Top for Women

SKU: APXTLWWXS

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

^$59.97

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In Stock

DESCRIPTION

A comfortable and flexible long sleeve top for women, designed for scuba diving with advanced graphene lining.

Sharkskin Chillproof Women's Chest Zip Long Sleeve Top

SKU: SHSCCLTWBB16

~~$209.99~~ Save: $60.02 (29%)

^$149.97

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In Stock

DESCRIPTION

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

Waterproof R30 Long Sleeve Rash-Guard, Women's

SKU: WPGR3LW23X

~~$91.30~~ Save: $18.27 (20%)

^$73.03

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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 Xerotherm Women's Top

SKU: FRTXTWTM

^$249

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In Stock

DESCRIPTION

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

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

SKU: SHSCFTWP

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

^$395.98

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In Stock

DESCRIPTION

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

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.

Spacefish Army Psychedelic Mermaid Women's Front Zip Long Sleeve Rashguard

SKU: SFAPRTWXL

^$89

+ wishlist

In Stock

DESCRIPTION

A vivid, eco-friendly rashguard for women with UPF50 protection, ocean-ready zipper, and 4-way stretch fabric.

Fourth Element J2 Women's Pants

SKU: FRTJ2WP2XL

^$160

+ wishlist

In Stock

DESCRIPTION

A women's thermal base layer made from recycled polyester, offering moisture-wicking and anti-microbial properties.

Cressi 2.5/5mm Base Layer Women's Hooded Vest

SKU: CSBB2VWXL

^$129.95

+ wishlist

In Stock

DESCRIPTION

A women's neoprene hooded vest with 2.5mm chest and 5mm hood for optimal warmth and flexibility.

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.

Fourth Element J2 Women's Long Sleeve Top

SKU: FRTJSWL

~~$160~~ Save: $32.01 (20%)

^$127.99

+ wishlist

In Stock

DESCRIPTION

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

Fourth Element Thermocline Long Sleeve Top Women's

SKU: FRTTLTW12

~~$305~~ Save: $61.01 (20%)

^$243.99

+ 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

When it comes to maximizing comfort, warmth, and performance in the water, women’s performance swim base layers are a quiet essential for anyone who spends time in aquatic environments. Whether you’re an avid open-water swimmer, a dedicated diver, or someone who enjoys paddle sports year-round, these base layers offer a foundation of thermal regulation and moisture management that can make all the difference. Designed to be worn under wetsuits or as a standalone piece during cooler training sessions, these garments are crafted with advanced textiles—think soft merino wool, hydrophobic synthetics, and innovative blends—that excel at wicking moisture away from the skin while providing a gentle barrier against chilly water and wind. The snug, streamlined fit and flatlock seams help prevent chafing and make layering effortless, whether you’re suiting up for an early morning surf or a spring kayaking adventure. February’s unpredictable weather often means fluctuating water temperatures, so having a reliable base layer can extend your season and help you stay comfortable during those transition months.

Performance swim base layers are more than just practical—they’re a thoughtful gift for active women who thrive in and around water. If you know someone training for a triathlon, exploring new diving sites, or simply looking to upgrade their cold-water swim kit, these base layers deliver both function and comfort. Many feature UPF protection for those bright, reflective days on the water, as well as antimicrobial treatments or natural odor resistance, which comes in handy during multi-day trips or intensive training periods. The quick-drying properties mean you can move from the water to the shore with ease, and the insulating qualities of materials like fleece-lined synthetics or merino wool ensure you stay warm even when damp. For those who value sustainability, there are options made from recycled fibers and responsibly sourced wool, blending eco-consciousness with high performance. It’s common to see these base layers incorporated into a smart layering system: a wicking base layer for moisture control, a mid-layer for added insulation, and a protective shell for wind and spray. This versatility makes them a staple for anyone who refuses to let the season dictate their time on the water.

Choosing the right women’s performance swim base layer involves considering your activity, expected water temperatures, and personal comfort preferences. If flexibility and range of motion are top priorities, look for styles with four-way stretch and minimal bulk, which move seamlessly with your body during strokes or paddling. For those venturing into colder waters or engaging in long-duration activities, prioritize thermal properties and a snug fit to minimize heat loss. Some prefer the natural feel and odor resistance of merino wool, while others gravitate toward lightweight synthetics that dry in a flash. No matter your choice, these base layers are engineered to perform under demanding conditions, making them a smart investment for both seasoned athletes and newcomers to water sports. If you’re interested in exploring options that emphasize stretch and adaptability for dynamic movement, visit our curated collection of Womens Flexible Swim Base Layers to find the perfect match for your aquatic pursuits. With the right base layer, you can embrace every season and every adventure with confidence and comfort.