Mens Wetsuit Undergarments

Fourth Element Thermocline Shorts for Men

1 reviews

SKU: FRTTLSHM3XL

~~$156~~ Save: $31.22 (20%)

^$124.78

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In Stock

DESCRIPTION

A versatile, ocean-friendly wetsuit alternative, Fourth Element Thermocline Shorts provide thermal protection for male scuba divers.

NeoSport Unisex Sports Skin Suit

651 reviews

SKU: BLRLM2XYL

~~$69.95~~ Save: $15 (21%)

^$54.95

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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

Mares Men's Rash Guard Trilastic Shorts

61 reviews

SKU: MRSMRGTS2X

^$49.95

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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: LVCSLSMLR

^$129.95

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In Stock

DESCRIPTION

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

Pros

High quality
Effective buoyancy
Provides warmth
Recommended by dive instructors
Comfortable fit

Lavacore Men's Full Suit

20 reviews

SKU: LVCMMD

~~$249.95~~ Save: $50.01 (20%)

^$199.94

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In Stock

DESCRIPTION

A neutrally buoyant men's full suit with antibacterial fleece, 4-way stretch, and breathable middle layer.

NeoSport 1.5mm Xspan Men's Long Sleeve Top

20 reviews

SKU: NSPPLSSMD

~~$99.95~~ Save: $22 (22%)

^$77.95

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In Stock

DESCRIPTION

A ultra-soft, comfortable men's long sleeve top made from exclusive XSPAN material with 4-way stretch neoprene.

NeoSport 1.5mm Xspan Unisex Pants

18 reviews

SKU: NSPPPXS

~~$119.95~~ Save: $21 (18%)

^$98.95

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In Stock

DESCRIPTION

A 1.5mm XSPAN unisex pants with 4-way stretch neoprene, shock-cord waistband, and reinforced seat area.

Lavacore Back Zipper Full Jumpsuit, Men's

16 reviews

SKU: LVCJBMLR

~~$249.95~~ Save: $50.01 (20%)

^$199.94

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In Stock

DESCRIPTION

A male full jumpsuit with soft fleece inner layer, 4-way stretch, and overlap flat lock stitch.

Lavacore Men's Short Sleeve Shirt

15 reviews

SKU: LVCSSM4XL

~~$119.95~~ Save: $24.01 (20%)

^$95.94

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In Stock

DESCRIPTION

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

NeoSport 1.5mm Xspan Men's Short Sleeve Top

13 reviews

SKU: NSPPSSSLR

~~$85.95~~ Save: $11 (13%)

^$74.95

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In Stock

DESCRIPTION

A 1.5mm XSPAN men's short sleeve top made from 250% 4-Way Super Stretch neoprene, with no zipper design.

Scubapro UPF 50 Long Sleeve Rash Guard for Men

12 reviews

SKU: SCPU5LMBKMD

~~$84~~ Save: $16.82 (20%)

^$67.18

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In Stock

DESCRIPTION

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

Lavacore Shorts Unisex

8 reviews

SKU: LVCS4XL

~~$99.95~~ Save: $20.01 (20%)

^$79.94

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In Stock

DESCRIPTION

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

Lavacore Pants Unisex

7 reviews

SKU: LVCPML

^$139.95

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In Stock

DESCRIPTION

A unisex pants with antibacterial fleece, 4-way stretch, breathable layer, and neutral buoyancy.

Neosport Unisex Sport Skin Package

6 reviews

SKU: PCKLP

~~$97.93~~ Save: $17.98 (18%)

^$79.95

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In Stock

DESCRIPTION

A form-fitting spandex dive skin jumpsuit package with foot stirrups and a spandex hood.

Scubapro UPF 50 Steamer for Men

4 reviews

SKU: SCPUSMGYLR

^$131

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In Stock

DESCRIPTION

A high-performance Scubapro UPF 50 Steamer for men, designed to protect against stings and skin abrasion, with UPF 50 on-surface protection.

Waterproof R30 Long Sleeve Rash-Guard, Men's

2 reviews

SKU: WPGR3LMMML

^$83

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In Stock

DESCRIPTION

A long sleeve rash-guard for men made of spandex, ideal for scuba diving with increased warmth and easy wet-suit donning.

Bare Ultrawarmth Base Layer Pants for Men

2 reviews

SKU: BREMUWBLPXL

~~$102.95~~ Save: $20.61 (20%)

^$82.34

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In Stock

DESCRIPTION

A highly-rated, stretchable fleece base layer pants for men that provide ultimate warmth and moisture-wicking capabilities.

Bare Ultrawarmth Base Layer Top for Men

2 reviews

SKU: BREMUWBLTXL

^$124.95

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In Stock

DESCRIPTION

A highly-rated, stretchable fleece base layer top for men that converts body heat into infrared energy.

Scubapro K2 Extreme Men's Full Suit Undergarment

2 reviews

SKU: SCPK2EFUM3X

~~$424~~ Save: $84.82 (20%)

^$339.18

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In Stock

DESCRIPTION

A men's fleece undergarment with anti-squeeze padding, front double slider zipper, and P valve compatibility.

Fourth Element XT250 Xerotherm Top Men's

1 reviews

SKU: FRTXTM3XL

~~$203.70~~ Save: $40.76 (20%)

^$162.94

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In Stock

DESCRIPTION

A men's base layer top made with Xerotherm insulation technology and Polartec Powerstretch fabric.

Sharkskin Titanium 2 Men's Front Zip Full Suit with Hood and Socks Package

1 reviews

SKU: PCKSHSTCUM

~~$739.97~~ Save: $147.99 (20%)

^$591.98

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In Stock

DESCRIPTION

A 5mm Sharkskin Titanium 2 men's full suit with hood and socks package for thermal protection in waters down to 68 degrees F.

Spacefish Army Octopower Men's Shorts

1 reviews

SKU: SFAOSMLR

^$59

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In Stock

DESCRIPTION

A stylish eco-friendly men's short with UPF 50+ protection, featuring a bold octopus design.

Waterproof Body 2X Top, Men's Undergarment

1 reviews

SKU: WPGBD2XTMMD

~~$198~~ Save: $39.62 (20%)

^$158.38

+ wishlist

In Stock

DESCRIPTION

A technically advanced men's undergarment with high thermal insulation and excellent moisture-wicking properties.

Pinnacle Temperate Undergarment (Unisex)

1 reviews

SKU: PINTUM2XL

^$229.95

+ wishlist

In Stock

DESCRIPTION

A black, two-layer technical fleece undergarment offering warmth, flexibility, and comfort for moderate water temperatures.

Mares Ultra Skin Steamer Men's Skin Suit

1 reviews

SKU: MRSUSMSMD

^$278.99

+ wishlist

In Stock

DESCRIPTION

A full-body men's suit with fleece lining, windproof PU membrane, and stretchy Spandex outer for warmth and flexibility.

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Mens Wetsuit Undergarments

When planning your next dive, the right mens wetsuit undergarments can make all the difference between a comfortable, enjoyable experience and a chilly, distracting one. These specialized layers are designed to be worn underneath a wetsuit, providing essential insulation, moisture-wicking, and comfort for divers in a wide variety of conditions. Whether you’re exploring temperate coastal reefs in late summer or venturing into deeper, cooler waters as the seasons begin to change, wetsuit underwear plays a crucial role in regulating your body temperature and enhancing your overall performance. Many divers find that a quality undergarment not only helps retain warmth but also reduces chafing and irritation from prolonged wetsuit wear. The right fit is key—look for options that offer a snug, flexible feel without restricting movement, ensuring you can swim, maneuver, and adjust gear with ease.

Mens wetsuit undergarments are not just for seasoned divers; they’re also a thoughtful gift for anyone passionate about underwater exploration, from beginners enrolled in their first certification course to experienced adventurers expanding their gear collection. As summer transitions into autumn, water temperatures can shift unexpectedly, especially in lakes, quarries, or offshore sites. Having the right base layer becomes even more important during these months, when surface warmth can be deceiving and thermal protection is essential for longer dives. Many divers recall their first experience with a proper wetsuit undergarment—the surprising comfort of a soft, quick-drying liner, or the way a thermal base layer helped them stay focused on marine life rather than the cold. These undergarments are also valuable for other water sports enthusiasts, including snorkelers, paddleboarders, and kayakers who want to extend their season as the air and water cool. Some styles double as standalone pieces for surface intervals or boat rides, offering versatility for all-day aquatic adventures.

When selecting mens wetsuit undergarments, consider your local water temperatures, the thickness of your wetsuit, and the duration of your dives. Materials such as fleece-lined synthetics, merino wool blends, or advanced moisture-wicking fabrics can provide varying levels of warmth and breathability. Pay attention to seam construction and stretch panels, which help prevent bunching and ensure a close fit under your wetsuit. For those diving in even colder conditions or using a dry suit, layering becomes even more important—if you’re interested in additional thermal options, explore our selection of Mens Dry Suit Undergarment Tops for maximum warmth and comfort. Ultimately, investing in high-quality wetsuit underwear is a smart move for any diver who values comfort, safety, and the freedom to explore beneath the surface in any season.