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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
NewBlackStrap Men's Vista Baselayer Crewneck Long Sleeve #color_inprint obsidianBlackStrap Men's Vista Baselayer Crewneck Long Sleeve #color_inprint obsidian
Men's Vista Base Layer Crewneck
Sale price$69.99
Color
NewBlackStrap Men's Vista Baselayer Pant #color_obsidianBlackStrap Men's Vista Baselayer Pant #color_obsidian
Men's Vista Base Layer Pant
Sale price$69.99
Color
NewBlackStrap Women's Vista Baselayer Hoodie #color_inprint-currantBlackStrap Women's Vista Baselayer Hoodie #color_inprint-currant
Women's Vista Base Layer Hoodie
Sale price$69.99
Color
NewBlackStrap Women's Vista Baselayer Legging #color_moonlightBlackStrap Women's Vista Baselayer Legging #color_moonlight
Women's Vista Base Layer Leggings
Sale price$69.99
Color
NewBlackStrap Men's Vista Baselayer Hoodie #color_pondy deschutesBlackStrap Men's Vista Baselayer Hoodie #color_pondy deschutes
Men's Vista Base Layer Hoodie
Sale price$69.99
Color
NewBlackStrap Women's Vista Baselayer Crewneck Long Sleeve #color_animo ashBlackStrap Women's Vista Baselayer Crewneck Long Sleeve #color_animo ash
Women's Vista Base Layer Crewneck
Sale price$69.99
Color
NewBlackStrap Mens Vista Quater Zip Pullover #color_blackBlackStrap Mens Vista Quater Zip Pullover #color_black
Men's Vista Base Layer Crewneck 1/4 Zip
Sale price$79.99
Color
NewBlackStrap Womens Quarter Zip Hoodie #color_ashBlackStrap Womens Quarter Zip Hoodie #color_ash
Women's Vista Base Layer Crewneck 1/4 Zip
Sale price$79.99
Color
Men's Skyliner All-Season Base Layer Crewneck BlackStrap #color_inprint obsidianMen's Skyliner All-Season Base Layer Crewneck BlackStrap #color_inprint obsidian
Men's Skyliner All-Season Base Layer Crewneck
Sale price$59.99
Color
Men's Skyliner All-Season Base Layer Pants BlackStrap #color_pulse cherryMen's Skyliner All-Season Base Layer Pants BlackStrap #color_pulse cherry
Men's Skyliner All-Season Base Layer Pants
Sale price$59.99
Color
NewBlackStrap Women's Skyliner Baselayer Crewneck Long Sleeve #color_animo ashBlackStrap Women's Skyliner Baselayer Crewneck Long Sleeve #color_animo ash
Women's Skyliner All-Season Base Layer Crewneck
Sale price$59.99
Color
NewWomen's Skyliner All-Season Base Layer Leggings #color_pulse cherryWomen's Skyliner All-Season Base Layer Leggings #color_pulse cherry
Women's Skyliner All-Season Base Layer Leggings
Sale price$59.99
Color
Men's Summit Base Layer Crewneck BlackStrap #color_pondy deschutesMen's Summit Base Layer Crewneck BlackStrap #color_pondy deschutes
Men's Summit Base Layer Crewneck
Sale price$79.99
Color
Men's Summit Base Layer Pants BlackStrap #color_blackMen's Summit Base Layer Pants BlackStrap #color_black
Men's Summit Base Layer Pants
Sale price$79.99
Color
Men's Summit Base Layer Hoodie BlackStrap #color_pondy deschutesMen's Summit Base Layer Hoodie BlackStrap #color_pondy deschutes
Men's Summit Base Layer Hoodie
Sale price$79.99
Color
NewBlackStrap Women's Summit Baselayer Hoodie #color_animo ashBlackStrap Women's Summit Baselayer Hoodie #color_animo ash
Women's Summit Base Layer Hoodie
Sale price$79.99
Color
NewBlackStrap Women's Summit Baselayer Leggings #color_animo ashBlackStrap Women's Summit Baselayer Leggings #color_animo ash
Women's Summit Base Layer Leggings
Sale price$79.99
Color
NewBlackStrap Women's Summit Baselayer Crewneck Long Sleeve #color_animo ashBlackStrap Women's Summit Baselayer Crewneck Long Sleeve #color_animo ash
Women's Summit Base Layer Crewneck
Sale price$79.99
Color
Men's Skyliner All-Season Base Layer Three-Quarter Pants BlackStrap #color_blackMen's Skyliner All-Season Base Layer Three-Quarter Pants BlackStrap #color_black
Men's Skyliner All-Season Base Layer Three-Quarter Pants
Sale price$59.99
Color
NewBig Kids' Evolver Crewneck Long Sleeve BlackStrap #color_inprint obsidianBig Kids' Evolver Crewneck Long Sleeve BlackStrap #color_inprint obsidian
Big Kids' Evolver Base Layer Crewneck
Sale price$39.99
Color+1
NewBig Kids' Evolver Baselayer Pant BlackStrap #color_pondy smolderedBig Kids' Evolver Baselayer Pant BlackStrap #color_pondy smoldered
Big Kids' Evolver Base Layer Pant
Sale price$39.99
Color+1
NewKids' Little Pine Crewneck Long Sleeve BlackStrap #color_origami glacierKids' Little Pine Crewneck Long Sleeve BlackStrap #color_origami glacier
Kids' Little Pine Base Layer Crewneck
Sale price$29.99
Color+1
NewKids' Little Pine Baselayer Pant BlackStrap #color_tracked evergreenKids' Little Pine Baselayer Pant BlackStrap #color_tracked evergreen
Kids' Little Pine Base Layer Pant
Sale price$29.99
Color+1

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