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.

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 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.

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

2 reviews

SKU: SFACFRWXL

^$89

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In Stock

DESCRIPTION

A stylish and eco-friendly rashguard for female scuba enthusiasts, with UPF50+ sun protection and 4-way stretch.

Mares Men's Rash Guard Trilastic Shorts

61 reviews

SKU: MRSMRGTS2X

^$49.95

+ wishlist

In Stock

DESCRIPTION

A protective and versatile pair of men's shorts made from lycra, perfect for scuba diving and water sports.

Pros

Works well under wetsuits
Good value for the price
Quick-drying and lightweight
Comfortable and well-made
Versatile for various water activities

Lavacore Men's Long Sleeve Shirt

23 reviews

SKU: LVCSLSMML

^$129.95

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In Stock

DESCRIPTION

A neutrally buoyant long sleeve shirt with a soft fleece inner layer for warmth and antibacterial properties.

Pros

High quality
Effective buoyancy
Provides warmth
Versatile use
Comfortable fit

Lavacore Women's Long Sleeve Shirt

15 reviews

SKU: LVCSLSW12

^$129.95

+ wishlist

In Stock

DESCRIPTION

A female-specific long sleeve shirt with 4-way stretch, thermal insulation, and a soft fleece inner layer.

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

14 reviews

SKU: ONL4340BKXS

^$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.

O'Neill Thermo-X Men's Short Sleeve Top

10 reviews

SKU: ONLTXTMLRBK

^$59.95

+ wishlist

In Stock

DESCRIPTION

A lightweight nylon-spandex short sleeve top offering UPF 50+ sun protection and quick-dry thermal insulation.

Scubapro 1mm Hybrid Thermal Men's Long Sleeve Top

5 reviews

SKU: SCPHTTLMXL

^$119

+ wishlist

In Stock

DESCRIPTION

A form-fitting, sleek hydrodynamic men's long sleeve top made of neoprene for thermal insulation.

Lavacore Women's Long Sleeve Hooded Shirt

5 reviews

SKU: LVCHSW20

^$159.95

+ wishlist

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: CSBDRGGRLR

^$59.95

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In Stock

DESCRIPTION

A mimetic-colored rash guard with chest pad designed for spearfishing, virtually invisible to prey.

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 Titanium 2 Men's Front Zip Long Sleeve Top

3 reviews

SKU: SHST2LM5X

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

^$239.99

+ wishlist

In Stock

DESCRIPTION

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

Sharkskin Chillproof Long Sleeve Full Zip Top for Men

2 reviews

SKU: SHSCLSZMMD

~~$249.99~~ Save: $50 (20%)

^$199.99

+ wishlist

In Stock

DESCRIPTION

A windproof and flexible long sleeve top for men, perfect for scuba and water sports with UPF50+ protection.

Fourth Element Thermocline Long Sleeve Top Men's

2 reviews

SKU: FRTTLLSMS

^$305

+ wishlist

In Stock

DESCRIPTION

A revolutionary, ocean-positive long sleeve top made from recycled ghost fishing nets, providing thermal insulation for various water activities.

Seac T-Sun Long Sleeve Rashguard Men's

2 reviews

SKU: SECRGTLM2XL

~~$46~~ Save: $9.20 (20%)

^$36.80

+ 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.

Cressi Cobia Rash Guard

2 reviews

SKU: CSBCRGGRLR

^$99.95

+ wishlist

In Stock

DESCRIPTION

A hooded rash guard made of 1mm premium neoprene with padded chest for spear gun loading.

Scubapro UPF 50 Long Sleeve Rash Guard for Men

12 reviews

SKU: SCPU5LMBKLG

^$85

+ wishlist

In Stock

DESCRIPTION

A comfortable and durable long sleeve rash guard for men that blocks 98% of UV rays.

Lavacore Shorts Unisex

8 reviews

SKU: LVCSLR

^$99.95

+ wishlist

In Stock

DESCRIPTION

A technically advanced unisex shorts with windproof and thermal control features, providing SPF 50+ sun protection.

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

3 reviews

SKU: ONLHLSRWXLTM

^$60.95

+ wishlist

In Stock

DESCRIPTION

A lightweight long sleeve rash guard offering UPF 50+ sun protection and quick-drying nylon-spandex comfort.

Waterproof R30 Long Sleeve Rash-Guard, Men's

2 reviews

SKU: WPGR3LM23X

^$91.30

+ wishlist

In Stock

DESCRIPTION

A long sleeve rash-guard made of spandex, perfect for scuba diving and providing increased warmth under a wet-suit.

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

2 reviews

SKU: SCPTFWLRTXLS

^$89

+ wishlist

In Stock

DESCRIPTION

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

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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.