Base Layers For Hiking In Cold Weather

Bare Ultrawarmth Base Layer Pants for Men

2 reviews

SKU: BREMUWBLP3XL

^$102.95

+ wishlist

In Stock

DESCRIPTION

A highly-rated, advanced base layer pants for men that use OMNIRED Infrared Technology for ultimate warmth and moisture control.

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.

Bare ExoWear Long Sleeve Top Men's, Black

1 reviews

SKU: BRETMSM

^$179.95

+ wishlist

In Stock

DESCRIPTION

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

Fourth Element XT250 Xerotherm Top Men's

1 reviews

SKU: FRTXTM3XL

^$203.70

+ wishlist

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: WPGBD2XTMMD

^$217.80

+ wishlist

In Stock

DESCRIPTION

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

Bare ExoWear Pants for Men, Black

SKU: BREPMXL

^$179.95

+ wishlist

In Stock

DESCRIPTION

A neutrally buoyant, black fleece pants with maximum thermal protection and OMNIRED Infrared Technology.

Waterproof Body X Bottom, Women's Undergarment

SKU: WPGBDXBWXL

^$151.80

+ wishlist

In Stock

DESCRIPTION

A technically advanced women's undergarment with high thermal insulation and moisture-wicking properties, featuring foot stirrup straps.

Waterproof Body X Top, Men's Undergarment

SKU: WPGBDXTM3XL

^$151.80

+ wishlist

In Stock

DESCRIPTION

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

Waterproof Body 2X Bottom, Men's Undergarment

SKU: WPGBD2XBM2XL

^$217.80

+ wishlist

In Stock

DESCRIPTION

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

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.

Lavacore Pants Unisex

7 reviews

SKU: LVCPML

^$139.95

+ wishlist

In Stock

DESCRIPTION

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

Bare ExoWear Pants Women's, Black

3 reviews

SKU: BREPW2

^$179.95

+ wishlist

In Stock

DESCRIPTION

A black women's pants with maximum thermal protection, OMNIRED Infrared Technology, and flat seam stitching.

Sharkskin Chillproof Men's Pant

3 reviews

SKU: SHSCPLPMNSM

~~$199.99~~ Save: $40 (20%)

^$159.99

+ wishlist

In Stock

DESCRIPTION

A versatile and comfortable men's pant made from 100% Chill-Proof material, providing ultimate warmth and protection.

Bare ExoWear Front Zipper Jacket for Men, Black

SKU: BREJMSM

^$199.95

+ wishlist

In Stock

DESCRIPTION

A 2mm black Bare ExoWear Front Zipper Jacket for men with maximum thermal protection and OMNIRED Infrared Technology.

Sharkskin Chillproof Women's Long Sleeve Front Zip Top and Pants Package

SKU: SHSCFTWP

~~$439.98~~ Save: $44 (10%)

^$395.98

+ wishlist

In Stock

DESCRIPTION

A Neutrally buoyant women's top and pants package with thumb loops and 3-layer membrane for wind and water protection.

Bare Ultrawarmth Base Layer Women's Top

SKU: BREMUWBLTWXL

^$124.95

+ wishlist

In Stock

DESCRIPTION

A high-performance women's base layer top with advanced infrared technology and moisture-wicking fabric.

Fourth Element J2 Women's Long Sleeve Top

SKU: FRTJSWL

^$160

+ wishlist

In Stock

DESCRIPTION

A sustainable, anti-microbial women's base layer made from recycled polyester for prolonged thermal performance under drysuits.

Sharkskin Chillproof Women's Long Sleeve Front Zip Top and Hood Package

SKU: SHSCFTWP2

~~$304.98~~ Save: $30.50 (10%)

^$274.48

+ wishlist

In Stock

DESCRIPTION

A women's thermal top and bibbed hood package for water sports with wind and water-resistant 3-layer membrane.

Bare Ultrawarmth Base Layer Women's Pants

SKU: BREMUWBLPWXS

^$102.95

+ wishlist

In Stock

DESCRIPTION

A high-performance base layer pant for women that utilizes Omni red Infrared Technology to convert body heat into infrared energy.

Bare ExoWear Vest Unisex, Black

SKU: BREEVMD

^$134.95

+ wishlist

In Stock

DESCRIPTION

A neutrally buoyant black vest with OMNIRED Infrared Technology for maximum thermal protection.

Bare ExoWear Pants for Men Black Small Open Box

SKU: BREPMSMOB

~~$159.95~~ Save: $47.98 (30%)

^$111.97

+ wishlist

In Stock

DESCRIPTION

A black fleece pant with OMNIRED Infrared Technology offers maximum thermal protection for water sports.

Waterproof Body 2X Top, Women's Undergarment

SKU: WPGBD2XTWLR

^$217.80

+ wishlist

In Stock

DESCRIPTION

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

Fourth Element X-Core Men's Vest

SKU: FRTXCL

^$220

+ wishlist

In Stock

DESCRIPTION

A sleeveless men's vest with 4-way stretch fabric and Polartec X core technology for added warmth.

Fourth Element J2 Men's Pants

SKU: FRTJ2MPXL

^$160

+ wishlist

In Stock

DESCRIPTION

A sustainable and anti-microbial base layer pants for men, providing prolonged thermal performance and moisture-wicking design.

Apeks ThermiQ Carbon Long Sleeve Top for Women

SKU: APXTLWWXL

~~$149~~ Save: $69.03 (46%)

^$79.97

+ wishlist

In Stock

DESCRIPTION

A flexible, warm, and comfortable long sleeve top for women, perfect for scuba diving.

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Base Layers For Hiking In Cold Weather

When autumn’s chill begins to settle in and the days grow noticeably shorter, hikers and outdoor enthusiasts turn their attention to reliable base layers that can handle the demands of cold weather trekking. Whether you’re planning a brisk morning hike through frosted forests, tackling a multi-day backcountry adventure, or prepping for high-altitude expeditions where temperatures can plummet without warning, the right base layer is essential to your comfort and safety. The best thermal base layers for high-altitude treks are designed to be worn directly against your skin, acting as the foundation of a layered clothing system. Their primary function is to efficiently wick sweat away from your body, ensuring you stay dry and warm even when your activity level ramps up. Materials like merino wool and advanced synthetics such as polyester and polypropylene excel in this role, offering impressive insulation, rapid moisture transport, and natural odor resistance—qualities that become especially important when you’re far from the comforts of home and a change of clothes.

Choosing the ideal base layer involves more than just picking a fabric; it’s about matching the weight and fit to your specific adventure. Midweight and heavyweight options are best suited for cold weather, providing extra warmth without sacrificing breathability or mobility. Merino wool stands out for its softness, warmth retention even when damp, and the ability to fend off odors naturally—making it a favorite for extended hikes or travel where laundry facilities might be scarce. Synthetics, on the other hand, offer durability, affordability, and quick-drying properties, making them a practical choice for rugged use and frequent washing. One golden rule remains constant: avoid cotton at all costs. Cotton traps moisture and chills the body, increasing the risk of hypothermia in cold conditions. Instead, seek out base layers that fit snugly but comfortably, allowing for a full range of motion without bunching or restriction. As you build your cold weather kit, remember that your base layer works in tandem with your mid layer (such as fleece or insulated jackets) and outer shell to create a versatile system that can adapt to changing weather and activity levels.

Base layers for hiking in cold weather also make thoughtful gifts for anyone who loves the outdoors, from seasoned mountaineers to those just discovering the magic of autumn and winter trails. A high-quality base layer can transform a chilly, uncomfortable outing into a cozy and memorable experience, whether you’re gifting it to a friend who chases summits or a family member who enjoys local trails. As September ushers in cooler temperatures and the anticipation of winter adventures, now is the perfect time to invest in performance-driven base layers that will see you through the season’s challenges. For those who travel frequently or need versatile gear that transitions seamlessly from the trail to the airport, consider exploring our curated selection on the Thermal Base Layers For Travel page. With the right base layer as your foundation, you’re equipped to embrace the cold, push your limits, and enjoy every moment outdoors—no matter how low the mercury drops.