Thermal Rash Guards

O'Neill Thermo X Long Sleeve Rash Guard

17 reviews

SKU: ONLTXLTSM

^$71.95

+ wishlist

In Stock

DESCRIPTION

A high-performance long sleeve rash guard with incredible insulation, low bulk, and quick-dry properties for ultimate comfort and freedom of movement.

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.

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.

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.

Lavacore Lavaskin Women's Board Shorts

1 reviews

SKU: LVCWBSB12

^$29.95

+ wishlist

In Stock

DESCRIPTION

A female-specific board shorts with a 1.5mm thickness, 4-way stretch, and antibacterial lining for comfort and flexibility.

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

+ wishlist

In Stock

DESCRIPTION

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

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.

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.

Scubapro 1mm Hybrid Thermal Men's Long Sleeve Top

5 reviews

SKU: SCPHTTLM3XL

^$119

+ wishlist

In Stock

DESCRIPTION

A form-fitting, sleek hydrodynamic men's long sleeve top made of 1mm neoprene for thermal protection and comfort.

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~~ Save: $20 (20%)

^$79.99

+ 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: SECRGTLM3XL

^$46

+ wishlist

In Stock

DESCRIPTION

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

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.

Lavaskin by Oceanic Women's Short Sleeve Shirt

1 reviews

SKU: LVCSWSSW16

^$69.95

+ 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.

Lavacore Women's Short Sleeve Shirt

1 reviews

SKU: LVCSSW20

^$119.95

+ wishlist

In Stock

DESCRIPTION

A female-specific short sleeve shirt with antibacterial fleece and overlap flat lock stitch for reduced water flow.

Sharkskin Chillproof Long Sleeve Full Zip Top for Men

1 reviews

SKU: SHSCLSZMXLBB

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

^$199.99

+ wishlist

In Stock

DESCRIPTION

A men's long sleeve top with Chillproof 3-layer material, offering thermal insulation and UPF50+ protection.

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

SKU: SCPU8WGRSM

^$99

+ wishlist

In Stock

DESCRIPTION

A high-performance, form-fitting rash guard with UPF 80 protection, designed for female scuba divers and water enthusiasts.

Bare Eclips Men's Hooded Rash Guard

SKU: BREEMHRG3XL

^$84.95

+ wishlist

In Stock

DESCRIPTION

A men's long sleeve rash guard made from eco-friendly recycled polyester with UPF 50+ protection and an attached hood.

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.

Mares Men's Rash Guard Trilastic Shorts

61 reviews

SKU: MRSMRGTS3X

^$49.95

+ wishlist

In Stock

DESCRIPTION

A protective and versatile pair of Trilastic shorts for men, ideal for water sports and scuba diving.

Pros

Versatile for water sports and regular use
Works well under wetsuits
High quality and well-made
Quick-drying and lightweight
Comfortable and supportive

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.

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

12 reviews

SKU: ONL4340FPLG

^$39.95

+ wishlist

In Stock

DESCRIPTION

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

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

3 reviews

SKU: ONLHLSRWLRTM

^$60.95

+ wishlist

In Stock

DESCRIPTION

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

Page of 3

Per Page

More Results

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.