Mens Performance Base Layer Tops

Lavacore Men's Long Sleeve Shirt

23 reviews

SKU: LVCSLSMLR

^$129.95

+ wishlist

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

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.

Lavacore Men's Short Sleeve Shirt

15 reviews

SKU: LVCSSM4XL

^$119.95

+ wishlist

In Stock

DESCRIPTION

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

Bare Ultrawarmth Base Layer Top for Men

2 reviews

SKU: BREMUWBLT3XL

^$124.95

+ wishlist

In Stock

DESCRIPTION

A men's base layer top with OMNIRED infrared technology and advanced stretch-breathable fleece material for ultimate dry suit layering.

Fourth Element XT250 Xerotherm Top Men's

1 reviews

SKU: FRTXTM3XL

^$203.70

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In Stock

DESCRIPTION

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

Waterproof Body 2X Top, Men's Undergarment

1 reviews

SKU: WPGBD2XTM3XL

^$198

+ wishlist

In Stock

DESCRIPTION

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

Bare ExoWear Long Sleeve Top Men's, Black

1 reviews

SKU: BRETMSM

^$179.95

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In Stock

DESCRIPTION

A 2mm black long sleeve top for men with maximum thermal protection and neutrally buoyant exposure.

Sharkskin High Performance Long Sleeve Top for Men

SKU: SHSHPLSMXL

^$199.99

+ wishlist

In Stock

DESCRIPTION

A high-performance long sleeve top for men with Chillproof panels, Titanium Far Infrared technology, and UPF50+ protection.

Sharkskin Chillproof Men's Hooded Long Sleeve Top

SKU: SHSCHLTMMDBK

^$249.99

+ wishlist

In Stock

DESCRIPTION

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

Fourth Element Xerotherm Men's Top

SKU: FRTXTMT2XL

^$237

+ wishlist

In Stock

DESCRIPTION

A lightweight men's thermal top made from moisture-wicking nylon and polyester for superior drysuit insulation.

Sharkskin Chillproof Men's Long Sleeve Top

SKU: SHSCLTM2XBK

^$199.99

+ wishlist

In Stock

DESCRIPTION

A thermal long sleeve top with windproof, moisture-wicking Chillproof nylon/spandex and a soft neoprene neck seal.

Fourth Element J2 Men's Short Sleeve Top

SKU: FRTJ2MS2XL

^$85

+ wishlist

In Stock

DESCRIPTION

A men's short sleeve top made from OceanPositive recycled fabric, providing prolonged thermal performance and anti-microbial freshness.

Sharkskin Chillproof Long Sleeve Full Zip Top for Men

SKU: SHSCLSZM2X

^$239.99

+ wishlist

In Stock

DESCRIPTION

A windproof, 3mm thick, long sleeve top for men that provides warmth, flexibility, and UV protection.

Fourth Element J2 Men's Long Sleeve Top

SKU: FRTJSML

^$154

+ wishlist

In Stock

DESCRIPTION

A sustainable, anti-microbial men's base layer with superior moisture-wicking and 4-way stretch fabric for optimal fit and comfort.

Mares Men's Rash Guard Trilastic Long Sleeve Shirt

34 reviews

SKU: MRSMRGLS2X

^$54.95

+ wishlist

In Stock

DESCRIPTION

A Mares Men's Rash Guard Trilastic Long Sleeve Shirt offers UV protection and comfortable fit for water sports.

Mares Men's Rash Guard Trilastic Short Sleeve Shirt

33 reviews

SKU: MRSMRGSSLR

^$45.95

+ wishlist

In Stock

DESCRIPTION

A comfortable and versatile short sleeve shirt made of lycra, providing UV protection and suitable for various water activities.

O'Neill Men's Basic Skin Long Sleeve Rash Tee

23 reviews

SKU: ONL4339WMD

^$37.95

+ wishlist

In Stock

DESCRIPTION

A quick-drying, U.P.F. 50+ long sleeve rash tee for men, perfect for snorkeling and water sports.

NeoSport 1.5mm Xspan Men's Long Sleeve Top

20 reviews

SKU: NSPPLSSSM

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

^$77.95

+ wishlist

In Stock

DESCRIPTION

A comfortable, ultra-soft men's top with 4-way stretch neoprene for scuba, snorkeling, surfing, and water sports.

Lavacore Men's Vest

14 reviews

SKU: LVCVMLR

^$99.95

+ wishlist

In Stock

DESCRIPTION

A neutrally buoyant men's vest with 4-way stretch, soft fleece inner layer, and antibacterial properties.

NeoSport 1.5mm Xspan Men's Short Sleeve Top

13 reviews

SKU: NSPPSSS2XL

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

^$74.95

+ wishlist

In Stock

DESCRIPTION

A men's short sleeve top made of XSPAN material with 250% 4-way stretch and no zipper design.

Lavacore by Oceanic Men's Long Sleeve Hooded Shirt

9 reviews

SKU: LVCHSM3XL

^$159.95

+ wishlist

In Stock

DESCRIPTION

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

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.

Sharkskin Titanium 2 Men's Long Sleeve Top, Pants, Hood & Socks Package

3 reviews

SKU: PCKSHST2LMK

~~$699.97~~ Save: $70.01 (10%)

^$629.96

+ wishlist

In Stock

DESCRIPTION

A thermal protection package for men, featuring a titanium-infused material that retains body heat in cold waters.

Waterproof R30 Long Sleeve Rash-Guard, Men's

2 reviews

SKU: WPGR3LMMML

^$83

+ wishlist

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.

Lavaskin Men's Short Sleeve Shirt

2 reviews

SKU: LVCSMSSN3XL

^$69.95

+ wishlist

In Stock

DESCRIPTION

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

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Mens Performance Base Layer Tops

When preparing for any aquatic adventure, the right gear can make all the difference between a memorable experience and an uncomfortable outing. Men’s performance base layer tops are a foundational element for divers, snorkelers, paddlers, and anyone spending time in or near the water. These tops are engineered to provide a close, athletic fit that moves with you, offering both comfort and essential thermal regulation. As the seasons shift into autumn, water temperatures can become unpredictable, and a reliable base layer becomes even more crucial. Whether you’re gearing up for a brisk early morning dive, a late-season snorkeling trip, or a high-intensity paddleboarding session, these tops help manage moisture, wick away sweat, and retain warmth without restricting movement. The materials used—often blends of synthetic fibers like polyester, spandex, and sometimes merino wool—are selected for their quick-drying properties and ability to insulate even when damp. Many designs also feature flatlock seams to prevent chafing, extended sleeves with thumbholes for added coverage, and UV protection for those long days under the sun. It’s the kind of gear that quietly does its job, letting you focus on the thrill of discovery beneath the surface or the serenity of a calm lake at dawn.

Performance base layer tops aren’t just for seasoned divers or water sports enthusiasts; they make thoughtful gifts for anyone who enjoys active outdoor pursuits, from weekend kayakers to travelers planning a tropical getaway. They’re especially appreciated by those who feel the cold more acutely or who want to extend their time in the water as the air cools. Imagine unwrapping a base layer top before a long-awaited trip—knowing it will keep you comfortable as you slip into cooler waters or wait for your turn on the boat deck. These tops are equally valuable for layering under wetsuits, drysuits, or rash guards, helping to regulate body temperature and minimize that initial shock when entering the water. In coastal communities, where the weather can shift rapidly, having a performance base layer on hand means you’re always prepared for whatever the day brings. For those looking to complete their layering system, pairing a top with a set of Men's Base Layer Pants ensures full-body protection and comfort, whether you're braving the Pacific surf or exploring a tranquil spring-fed cenote.

Selecting the right men’s performance base layer top involves considering factors such as fit, intended activity, and environmental conditions. A snug but non-restrictive fit ensures the fabric can efficiently wick moisture and trap a layer of insulating air close to your skin. For high-output activities like paddleboarding or open-water swimming, lightweight, highly breathable fabrics are ideal, while thicker, fleece-lined options serve well for colder conditions or extended dives. Many tops are designed with odor-resistant treatments, making them practical for multi-day trips or travel when laundry facilities are scarce. Easy to pack and quick to dry, they’re a staple in the gear bags of guides, instructors, and casual adventurers alike. The versatility and technical performance of these tops mean they transition effortlessly from water to land—perfect for a post-dive hike along the shore or a sunset bonfire after a day on the waves. With the right base layer, you’re investing not just in comfort, but in the freedom to explore, confident that your gear will keep pace with your ambitions, no matter the season.