Men's Cold Weather Undershirts

A charcoal heather Henley with ultrasoft waffle-knit fabric and plush berber fleece lining for extra warmth.

Pros: High quality True to size fit Warmth Softness 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 dark flint gray, 100% silk crewneck providing lightweight warmth and comfort for cold weather activities.

Pros: Durable Comfortable Warm Great for travel Feels like real silk

A men's thermal shirt with a double-layered wool blend and nylon construction in charcoal heather.

Pros: Great fit Very cozy Exceptional warmth Comfortable feel Well made

An alloy gray, extra-large base layer made of 100% merino wool, offering warmth and comfort year-round.

Pros: Soft material Warmth Good fit Comfortable Versatility

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

A remarkably soft and warm striped crew top made of 100% merino wool with thumbhole cuffs.

A midnight black hoodie made from recycled polyester blend, offering warmth, moisture-wicking, and odor control.

A lightweight, moisture-wicking synthetic base layer crewneck in faded sage heather with thumbholes for secure sleeves.

A form-fitting, 100% merino wool hoodie in regatta blue, perfect as a base layer for winter sports.

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

A heavyweight base layer hoodie in kelp green camo, made from recycled polyester and elastane.

A heavyweight, moisture-wicking base layer with recycled polyester, thumb holes, and anti-microbial finish in kelp green camo.

A heavyweight base layer crew top in midnight black, made from recycled polyester with moisture-wicking properties.

A midweight, pinewood green base layer with REPREVE® recycled polyester, anti-microbial finish, and thumb holes.

A midweight, moisture-wicking base layer with anti-microbial finish and thumb holes, made from recycled polyester.

An alloy gray, 100% merino wool turtleneck that wicks moisture and resists odors for all-season comfort.

A red wool-blend Henley with duofold construction for warmth and a relaxed, traditional fit.

Pros: Classic style and colors Soft material Warm and cozy High quality and durable Comfortable fit

A brown, 100% cotton long-sleeve henley with a mini-waffle texture that resists shrinking and fading.

Pros: High quality material Attractive design and color options Warm and cozy True to size Comfortable fit

A soft, white cotton mockneck shirt that resists shrinking, fading, wrinkling, and pilling.

Pros: Perfect fit Excellent quality Durability Versatile Comfortable

A white, 100% cotton turtleneck that resists shrinking, fading, and wrinkling, with a relaxed traditional fit.

Pros: High quality Comfort Warmth Fits well after wash Classic design

A slim-fitting, darkest brown thermal crew made from 100% breathable waffle-knit cotton for cooler weather.

Pros: High quality Great color Good fit Comfortable waffle knit Excellent warmth

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 versatile midweight merino wool base layer with thumbhole cuffs, flat-lock seams, and quarter-zip style.

Pros: Convenience Keeps you warm Comfort Durability Versatility