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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.

23 products
NewMen'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
NewMen'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_inprint-obsidianMen's Summit Base Layer Pants BlackStrap #color_inprint-obsidian
Men's Summit Base Layer Pants
Sale price$79.99
Color
BlackStrap 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
BlackStrap 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
Men's Summit Base Layer Hoodie BlackStrap #color_blackMen's Summit Base Layer Hoodie BlackStrap #color_black
Men's Summit Base Layer Hoodie
Sale price$79.99
Color
BlackStrap 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 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 Women's Vista Baselayer Crewneck Long Sleeve #color_blackBlackStrap Women's Vista Baselayer Crewneck Long Sleeve #color_black
Women's Vista Base Layer Crewneck
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 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_blackBlackStrap Women's Vista Baselayer Hoodie #color_black
Women's Vista Base Layer Hoodie
Sale price$69.99
Color
BlackStrap Women's Vista Baselayer Legging #color_cherryBlackStrap Women's Vista Baselayer Legging #color_cherry
Women's Vista Base Layer Leggings
Sale price$69.99
Color
NewMen'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
Big 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
Big 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
Kids' 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
Kids' 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
BlackStrap Mens Vista Quater Zip Pullover #color_obsidianBlackStrap Mens Vista Quater Zip Pullover #color_obsidian
Men's Vista Base Layer Crewneck 1/4 Zip
Sale price$79.99
Color
BlackStrap Womens Quarter Zip Hoodie #color_cherryBlackStrap Womens Quarter Zip Hoodie #color_cherry
Women's Vista Base Layer Crewneck 1/4 Zip
Sale price$79.99
Color

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