Thermal Rash Guards

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.

O'Neill Thermo X Long Sleeve Rash Guard

17 reviews

SKU: ONLTXLT2XL

^$71.95

+ wishlist

In Stock

DESCRIPTION

A men's rash guard with 4-way stretch fabric, low bulk insulation, and quick-dry properties for water sports.

Cressi Demon Rash Guard with Chest Pad

4 reviews

SKU: CSBDRGGR3XL

^$59.95

+ wishlist

In Stock

DESCRIPTION

A mimetic-colored rash guard with chest pad, designed for spearfishing, providing protection and camouflage.

Waterproof R30 Long Sleeve Rash-Guard, Women's

SKU: WPGR3LW23X

^$91.30

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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.

Scubapro 1mm Hybrid Thermal Men's Long Sleeve Top

5 reviews

SKU: SCPHTTLMMD

^$119

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In Stock

DESCRIPTION

A 1mm neoprene top with fleece and plush lining for thermal insulation, comfort and range of motion.

Cressi Cobia Rash Guard

2 reviews

SKU: CSBCRGBL3X

^$99.95

+ wishlist

In Stock

DESCRIPTION

A hooded, neoprene rash guard with padded chest and thumb loops for men.

Mares Men's Rash Guard Trilastic Long Sleeve Shirt

34 reviews

SKU: MRSMRGLSMD

^$54.95

+ wishlist

In Stock

DESCRIPTION

A Mares long-sleeved rash guard for men with UV protection and comfortable flat lock stitching.

Mares Men's Rash Guard Trilastic Short Sleeve Shirt

33 reviews

SKU: MRSMRGSS2X

^$45.95

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In Stock

DESCRIPTION

A Mares men's rash guard with UV protection, flat lock stitching, and versatile wear options.

Lavacore Men's Short Sleeve Shirt

15 reviews

SKU: LVCSSMLR

^$119.95

+ wishlist

In Stock

DESCRIPTION

A comfortable and odor-minimizing short sleeve shirt with 4-way stretch and thermal insulation.

Lavacore by Oceanic Men's Long Sleeve Hooded Shirt

9 reviews

SKU: LVCHSM4XL

^$159.95

+ wishlist

In Stock

DESCRIPTION

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

Scubapro 1.5mm Everflex Women's Long Sleeve Top

5 reviews

SKU: SCPE1LSWTXL

^$219

+ wishlist

In Stock

DESCRIPTION

A water-repellant, high-stretch 1.5mm neoprene top for women, providing warmth, comfort, and range of motion for scuba and snorkeling.

Cressi Camo Hunter Rash Guard and Pants with Camo Socks

3 reviews

SKU: PCKDCRG

^$109.95

+ wishlist

In Stock

DESCRIPTION

A Camo Hunter rash guard and pants set with camo socks, offering 50+ UV protection and easy speargun reloading.

Sharkskin Rapid Dry Long Sleeve Shirt

3 reviews

SKU: SHSRDLSSC3XL

^$99.99

+ wishlist

In Stock

DESCRIPTION

A lightweight, breathable long sleeve shirt with SPF 50+ sun protection, perfect for scuba diving.

Seac T-Sun Long Sleeve Rashguard Men's

2 reviews

SKU: SECRGTLM2XL

^$46

+ wishlist

In Stock

DESCRIPTION

A Seac T-Sun long sleeve rashguard for men offers UPF 50+ protection and a second-skin fit for water activities.

Spacefish Army Coral Kaleidoscope Women's Front Zip Long Sleeve Rashguard

2 reviews

SKU: SFACFRWMD

^$89

+ wishlist

In Stock

DESCRIPTION

A stylish and sustainable women's rash guard with UPF +50 sun protection and 4-way stretch.

Lavaskin Men's Short Sleeve Shirt

2 reviews

SKU: LVCSMSSB3XL

^$69.95

+ wishlist

In Stock

DESCRIPTION

A durable, water-repellent short sleeve shirt with UPF 50+ and thermal insulation for scuba diving.

Lavaskin by Oceanic Women's Short Sleeve Shirt

1 reviews

SKU: LVCSWSSP8

~~$69.95~~ Save: $39.98 (57%)

^$29.97

+ wishlist

In Stock

DESCRIPTION

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

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.

Sharkskin Rapid Dry Long Sleeve Shirt Open Box

SKU: SHSRDLSSBMOB

~~$89.99~~ Save: $36.00 (40%)

^$53.99

+ wishlist

In Stock

DESCRIPTION

A lightweight, water-repellent Lycra long sleeve shirt offering SPF50+ sun protection and thermal insulation.

Sharkskin Chillproof Men's Hooded Long Sleeve Top

SKU: SHSCHLTMMDBK

^$269.99

+ wishlist

In Stock

DESCRIPTION

A men's hooded long sleeve top with thermal nylon/spandex material, offering warmth and water-repellency.

Waterproof R30 Short Sleeve Rash-Guard, Men's

SKU: WPGR3SMMML

^$78.10

+ wishlist

In Stock

DESCRIPTION

A lightweight, quick-drying black rash guard with 50+ UPF UV protection and flatlock stitching.

Sharkskin Chillproof Men's Long Sleeve Full Zip Top and Hood Package

SKU: SHSCLSZMP2

~~$304.98~~ Save: $30.50 (10%)

^$274.48

+ wishlist

In Stock

DESCRIPTION

A windproof and flexible men's top and hood package, perfect for scuba diving and snorkeling.

Scubapro UPF 50 Long Sleeve Rash Guard for Men

12 reviews

SKU: SCPU5LMBKMD

^$85

+ wishlist

In Stock

DESCRIPTION

A durable, high-quality polyester long sleeve rash guard with UPF 50 protection for male scuba enthusiasts.

Scubapro Hybrid Men's Hooded Vest

4 reviews

SKU: SCPHHVMLR

^$89

+ wishlist

In Stock

DESCRIPTION

A form-fitting, hydrodynamic hooded vest made of neoprene/nylon blend with a microplush fleece interior for added warmth.

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Thermal Rash Guards

When the chill of winter lingers or the ocean breeze bites a bit sharper, thermal rash guards become an essential layer for anyone venturing into the water. Whether you’re planning early spring dives, enjoying brisk February snorkeling, or training in cooler pools, these garments offer a unique blend of comfort, flexibility, and protection. Unlike standard rash guards, thermal options are crafted with advanced materials such as fleece lining or thicker neoprene blends, providing extra insulation without sacrificing mobility. A fleece lined rash guard, for example, can make all the difference during a sunrise beach entry, locking in warmth while remaining lightweight and quick-drying. Many divers and snorkelers favor a 1mm rash guard for its subtle yet effective thermal boost—thin enough to layer under a wetsuit, yet substantial enough to take the edge off chilly currents on its own. The sensation of slipping into a diving shirt that hugs your skin with gentle warmth is a small luxury that can extend your time in the water and enhance your overall experience.

Thermal rash guards are not just for seasoned divers or cold-water enthusiasts; they are a thoughtful gift for anyone who loves the ocean, from casual snorkelers to paddleboarders and surfers. A rash guard for snorkeling protects against sunburn and stings, but when temperatures drop, the added thermal layer ensures comfort during longer sessions exploring reefs or playing in the surf. These garments are also popular with swim coaches and open-water swimmers who train year-round, as well as families introducing children to the joys of underwater adventure. The versatility of a scuba shirt for warmth means it can be worn alone in tropical waters or layered beneath a wetsuit for extra insulation in temperate seas. Parents often appreciate the peace of mind that comes from knowing their kids are protected from both the sun and sudden chills, while more experienced watermen and women enjoy the streamlined fit that doesn’t impede movement or buoyancy.

Selecting the right thermal rash guard involves considering factors such as fit, thickness, and material. Look for flatlock seams to minimize chafing, and prioritize stretch fabrics that move with your body. Some designs feature thumb loops or extended collars for enhanced coverage, while others incorporate quick-dry panels or antimicrobial treatments for added comfort. If you’re comparing different options, you might find it helpful to browse the broader range of Wetsuit Rash Guards, which includes both thermal and traditional styles suitable for a variety of activities and climates. Ultimately, a well-chosen thermal rash guard is an investment in longer, more enjoyable days on and under the water—whether you’re gliding over coral gardens, braving a brisk morning dive, or simply savoring the unique peace that comes from being enveloped by the sea.