Base Layers For Extreme Cold Weather

A pair of mid-rise fleece tights in nautical navy, featuring moisture-wicking PrimaLoft fabric and a plush interior.

Pros: Great fit Quality Warmth Softness Comfortable

A supersoft, charcoal union suit with a wool blend for warmth and nonchafing seams for comfort.

Pros: Functional Fits well Well-made Warmth Comfortable

A midweight merino wool crew top in saddle heather that wicks sweat, resists odor, and keeps you warm.

Pros: Perfect fit Soft and comfortable Durable fabric Available in big and tall sizes Great warmth

A strong, lightweight pair of dark flint gray silk pants offering warmth and comfort without bulk.

Pros: Great fit High quality Warmth Comfortable Versatile for weather

A versatile base layer made of itch-free merino wool, wicking sweat and resisting odor in dark black.

Pros: Great color Versatile use Soft and lightweight Excellent warmth Comfortable fit

A lightweight black silk crewneck providing strong, comfortable warmth as a base layer for cold weather.

Pros: High fabric quality Provides warmth Durable material Great for travel Comfortable fit

A durable, dark indigo thermal underwear with a wool blend exterior and soft cotton interior for ultimate warmth.

A high-rise, slim-leg base layer made of itch-free merino wool, perfect for versatile warmth and comfort.

Pros: Great fit High-quality material Perfect base layer Warmth and comfort Non-itchy fabric

A dark indigo, double-layered thermal shirt with a soft cotton interior and durable wool blend exterior.

Pros: Incredibly cozy Perfect fit Exceptional warmth High comfort Well made

A versatile merino wool quarter-zip top in saddle heather, perfect for warmth and odor resistance.

Pros: Keeps you warm Excellent base layer Comfort Durability Versatility

A form-fitting merino wool crew top in carbon navy that wicks sweat, resists odor, and keeps you warm.

Pros: Perfect base layer Breathability Warmth Softness Regulates body temperature

A versatile eggplant heather base layer made of 100% merino wool, featuring thumbhole cuffs and flat-lock seams.

Pros: Well-made Warmth True to size Versatile Comfortable

An alloy gray, 100% merino wool crew top offering lightweight warmth and comfort for all-season activities.

Pros: Soft material Warmth Good fit Comfortable Versatility

An alloy gray, 100% merino wool crew top offering lightweight warmth and a smooth, form-fitting design.

Pros: Lightweight warmth Not itchy Machine washable Versatile Comfortable

An ultralight base layer made of 100% merino wool, offering warmth and odor resistance in alloy gray.

Pros: Stylish design Lightweight feel Durable material Warm without bulk Comfortable fit

A high-rise, slim-leg base layer made of 100% merino wool, offering warmth and comfort year-round.

An ultralight, alloy gray Merino wool hoodie that wicks moisture, resists odors, and fits comfortably under helmets.

Pros: High-quality material Easy to care for Perfect under layer Lightweight design Comfortable fit

An ultralight, alloy gray Merino wool hoodie that wicks moisture, resists odors, and fits comfortably under helmets.

Pros: Soft and fleecy interior Ideal for winter sports Warm and comfortable Good fit Fashionable and supportive

An alloy gray, 100% Merino wool turtleneck that wicks moisture, resists odors, and features thumbhole cuffs.

Pros: Great comfort Stays clean High-quality fabric Low maintenance Excellent warmth

A remarkably soft and warm striped crew top made from 100% merino wool, perfect for any season.

An itch-free 100% merino wool base layer, perfect for cold-weather sports, available in ocean waves and storm teal.

Pros: Ideal as long underwear Provides excellent warmth Soft merino wool material

A high-rise, slim-leg base layer made of soft, itch-free merino wool, perfect for any season.

A lightweight, itch-free 100% merino wool turtleneck in regatta blue, perfect as a base layer for winter sports.

A versatile midweight base layer with REPREVE® recycled polyester, offering warmth, moisture-wicking, and odor resistance.