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BalaclavasMerinoBase layersGlovesFleeceNew arrivalsNeck gaitersKids' Help center

This season’s standouts.

BlackStrap Merino Hood Balaclava #color_alpine-obsidian
Merino Hood Balaclava

Premium Merino, breathable warmth.

Sale price$44.99
Color+7
BlackStrap Merino Tube Neck Gaiter #color_alpine-obsidian
Merino Tube Neck Gaiter
Sale price$29.99
Color+7
BlackStrap Cruiseliner Glove liner back hand #color_inprint obsidian
Cruiseliner Gloves
Sale price$34.99
Color+2
BlackStrap Caldera Beanie #color_pulse deschutes
Caldera Sherpa Fleece Beanie
Sale price$34.99
Color+3
Hood Balaclava | Solids BlackStrap Black #color_black
Hood Balaclava Solid Tones

Low-profile, helmet-ready fit.

Sale price$39.99
Color+38
BlackStrap Mens Caldera Fleece Pant #color_inprint ash
Men's Caldera Sherpa Fleece Pant
Sale price$129.99
Color
BlackStrap Women's Caldera Sherpa Fleece Half Snap Pullover #color_inprint ash
Women's Caldera Sherpa Fleece Pullover 1/2 Snap
Sale price$149.99
Color+1
Expedition Hood Balaclava | Prints BlackStrap Pangea White #color_pangea white
Expedition Hood Balaclava Prints

Maximum warmth, storm-ready.

Sale price$44.99
Color+6
Men's Skyliner All-Season Base Layer Crewneck BlackStrap #color_badlands deschutes
Men's Skyliner All-Season Base Layer Crewneck
Sale price$59.99
Color+2
BlackStrap Women's Skyliner Baselayer Crewneck Long Sleeve #color_ocelot dusk
Women's Skyliner All-Season Base Layer Crewneck
Sale price$59.99
Color+2
Base Layers & Thermal Underwear for Men, Women, and Kids

Base Layers

Cold weather expeditions are all about proper layering, and that starts here. Explore thermal base layers for men, women + kids.

23 products

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Featured Most relevant Best selling Alphabetically, A-Z Alphabetically, Z-A Price, low to high Price, high to low Date, old to new Date, new to old

Sort by

Featured Most relevant Best selling Alphabetically, A-Z Alphabetically, Z-A Price, low to high Price, high to low Date, old to new Date, new to old
Best SellerNew ColorsMen's Skyliner All-Season Base Layer Crewneck BlackStrap #color_badlands deschutes
Men's Skyliner All-Season Base Layer Crewneck
Sale price$59.99
Color+2
Best SellerNew ColorsMen's Skyliner All-Season Base Layer Pants BlackStrap #color_badlands deschutes
Men's Skyliner All-Season Base Layer Pants
Sale price$59.99
Color+2
New ColorsBlackStrap Women's Skyliner Baselayer Crewneck Long Sleeve #color_ocelot dusk
Women's Skyliner All-Season Base Layer Crewneck
Sale price$59.99
Color+2
New ColorsWomen's Skyliner All-Season Base Layer Leggings #color_ocelot dusk
Women's Skyliner All-Season Base Layer Leggings
Sale price$59.99
Color+2
Best SellerNew ColorsMen's Summit Base Layer Crewneck BlackStrap #color_tractical ash
Men's Summit Base Layer Crewneck
Sale price$79.99
Color+2
Best SellerNew ColorsMen's Summit Base Layer Pants BlackStrap #color_tractical ash
Men's Summit Base Layer Pants
Sale price$79.99
Color+2
Best SellerNew ColorsBlackStrap Women's Summit Baselayer Crewneck Long Sleeve #color_ocelot dusk
Women's Summit Base Layer Crewneck
Sale price$79.99
Color+1
Best SellerNew ColorsBlackStrap Women's Summit Baselayer Leggings #color_ocelot dusk
Women's Summit Base Layer Leggings
Sale price$79.99
Color+2
New ColorsBlackStrap Men's Vista Baselayer Crewneck Long Sleeve #color_badlands deschutes
Men's Vista Base Layer Crewneck
Sale price$69.99
Color+2
New ColorsBlackStrap Men's Vista Baselayer Pant #color_deschutes
Men's Vista Base Layer Pant
Sale price$69.99
Color+2
New ColorsBlackStrap Women's Vista Baselayer Hoodie #color_inprint surge
Women's Vista Base Layer Hoodie
Sale price$69.99
Color+1
New ColorsBlackStrap Women's Vista Baselayer Legging #color_surge
Women's Vista Base Layer Leggings
Sale price$69.99
Color+1
New ColorsBlackStrap Men's Vista Baselayer Hoodie #color_badlands deschutes
Men's Vista Base Layer Hoodie
Sale price$69.99
Color+1
New ColorsBlackStrap Women's Vista Baselayer Crewneck Long Sleeve #color_inprint surge
Women's Vista Base Layer Crewneck
Sale price$69.99
Color+2
New ColorsBlackStrap Mens Vista Quarter Zip Pullover #color_deschutes
Men's Vista Base Layer Crewneck 1/4 Zip
Sale price$79.99
Color+2
New ColorsBlackStrap Womens Quarter Zip Base Layer Crew #color_dusk
Women's Vista Base Layer Crewneck 1/4 Zip
Sale price$79.99
Color+2
New ColorsMen's Summit Base Layer Hoodie BlackStrap #color_tractical ash
Men's Summit Base Layer Hoodie
Sale price$79.99
Color
New ColorsBlackStrap Women's Summit Baselayer Hoodie #color_ocelot dusk
Women's Summit Base Layer Hoodie
Sale price$79.99
Color+1
Men's Skyliner All-Season Base Layer Three-Quarter Pants BlackStrap #color_black
Men's Skyliner All-Season Base Layer 3/4 Pants
Sale price$59.99
Color
Best SellerNew ColorsBig Kids' Evolver Crewneck Long Sleeve BlackStrap #color_badlands deschutes
Big Kids' Evolver Base Layer Crewneck
Sale price$39.99
Color+3
Best SellerNew ColorsBig Kids' Evolver Baselayer Pant BlackStrap #color_badlands deschutes
Big Kids' Evolver Base Layer Pant
Sale price$39.99
Color+3
Best SellerNew ColorsKids' Little Pine Crewneck Long Sleeve BlackStrap #color_sushi sprout
Kids' Little Pine Base Layer Crewneck
Sale price$29.99
Color+4
Best SellerNew ColorsKids' Little Pine Baselayer Pant BlackStrap #color_sushi sprout
Kids' Little Pine Base Layer Pant
Sale price$29.99
Color+4

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