Thermal Rash Guards

Mares Men's Rash Guard Trilastic Long Sleeve Shirt

34 reviews

SKU: MRSMRGLSMD

^$54.95

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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 by Oceanic Men's Long Sleeve Hooded Shirt

9 reviews

SKU: LVCHSMXL

^$159.95

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In Stock

DESCRIPTION

A men's hooded shirt made of Lavacore fabric with SPF 50+ sun protection and thermal insulation.

Scubapro 1mm Hybrid Thermal Men's Long Sleeve Top

5 reviews

SKU: SCPHTTLM2XL

^$119

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In Stock

DESCRIPTION

A 1mm neoprene men's top with hybrid thermal insulation for warmth, comfort and range of motion.

Lavacore Women's Long Sleeve Hooded Shirt

5 reviews

SKU: LVCHSW20

^$159.95

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In Stock

DESCRIPTION

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

Cressi Demon Rash Guard with Chest Pad

4 reviews

SKU: CSBDRGGRXL

^$59.95

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In Stock

DESCRIPTION

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

Sharkskin Rapid Dry Long Sleeve Shirt

3 reviews

SKU: SHSRDLSSC3XL

~~$99.99~~ Save: $20 (20%)

^$79.99

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In Stock

DESCRIPTION

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

Sharkskin Titanium 2 Men's Front Zip Long Sleeve Top

3 reviews

SKU: SHST2LM5X

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

^$239.99

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In Stock

DESCRIPTION

A front zip long sleeve top for men that offers unmatched thermal protection and smart temperature control.

Lavaskin Men's Short Sleeve Shirt

2 reviews

SKU: LVCSMSSN3XL

^$69.95

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In Stock

DESCRIPTION

A 1.5mm short sleeve scuba rash guard for men, providing UPF 50+ sun protection and thermal insulation.

Cressi Cobia Rash Guard

2 reviews

SKU: CSBCRGBL3X

^$99.95

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In Stock

DESCRIPTION

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

Seac T-Sun Long Sleeve Rashguard Men's

2 reviews

SKU: SECRGTLM2XL

^$46

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In Stock

DESCRIPTION

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

Lavaskin by Oceanic Women's Short Sleeve Shirt

1 reviews

SKU: LVCSWSSW10

^$69.95

+ wishlist

In Stock

DESCRIPTION

A Super comfortable, UPF 50+ Lavaskin short sleeve shirt with 1.5mm thickness for scuba diving.

Bare ExoWear Long Sleeve Top Men's, Black

1 reviews

SKU: BRETMXL

^$179.95

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In Stock

DESCRIPTION

A black men's long sleeve top for scuba, snorkeling, and water sports with maximum thermal protection and OMNIRED Infrared Technology.

Spacefish Army Turtle Tie Dye Women's Front Zip Long Sleeve Rashguard

SKU: SFATTRWLR

^$89

+ wishlist

In Stock

DESCRIPTION

A vibrant, eco-friendly rashguard with SPF50 protection, featuring a turtle-inspired tie dye print and front zipper.

Spacefish Army Clockwork Ocean Men's Long Sleeve Rash Guard

SKU: SFACLWOM2X

^$89

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In Stock

DESCRIPTION

A sustainable long sleeve rash guard featuring UPF 50 sun protection, ocean-inspired artwork, and a front zip.

Sharkskin Rapid Dry Long Sleeve Shirt Open Box

SKU: SHSRDLSSBMOB

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

^$53.99

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In Stock

DESCRIPTION

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

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

SKU: SCPTFMLRTXLS

^$89

+ wishlist

In Stock

DESCRIPTION

A long sleeve rash guard made from recycled polyester and elastane, offering UPF 50 sun protection and comfort.

Scuba.com Long Sleeve Rash Guard

SKU: SCBDWCSUBL1L

~~$50~~ Save: $10.05 (20%)

^$39.95

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In Stock

DESCRIPTION

A long sleeve rash guard with UPF 50 sun protection, tear-resistant fabric, and eye-catching design for water sports.

Sharkskin Chillproof Men's Hooded Long Sleeve Top

SKU: SHSCHLTMMDBK

~~$269.99~~ Save: $54 (20%)

^$215.99

+ wishlist

In Stock

DESCRIPTION

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

Sharkskin Chillproof Men's Full Suit

SKU: SHSCFSM3XBK

~~$449.99~~ Save: $90 (20%)

^$359.99

+ wishlist

In Stock

DESCRIPTION

A full-body men's suit offering UPF50+ sun protection, thermal insulation, and flexible nylon/spandex comfort.

NeoSport Unisex Sports Skin Suit

651 reviews

SKU: BLRLMXLPR

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

^$59.95

+ wishlist

In Stock

DESCRIPTION

A form-fitting, unisex skin suit made of lycra, providing defense against sea lice and irritants.

Pros

Effective protection
Durable
Easy to don and doff
Good fit
Quick-drying

Lavacore Lavaskin Women's Board Shorts

1 reviews

SKU: LVCWBSB14

^$29.95

+ wishlist

In Stock

DESCRIPTION

A female-specific, neutrally buoyant board shorts with 4-way stretch and antibacterial lining for comfort and flexibility.

Spacefish Army Tiger Shark Men's Front Zip Long Sleeve Rashguard

SKU: SFATFRMXL

^$89

+ wishlist

In Stock

DESCRIPTION

A men's long sleeve rashguard with a Tiger Shark print, SPF50, and durable front zipper.

Bare Eclips Men's Hooded Rash Guard

SKU: BREEMHRGS

^$84.95

+ wishlist

In Stock

DESCRIPTION

A long sleeve hooded rash guard made from eco-friendly recycled polyester, offering UPF 50+ sun protection.

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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.