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BalaclavasMerinoBase layersGlovesFleeceNew arrivalsNeck gaitersSun protectionKids' Help center

This season’s standouts.

BlackStrap Merino Hood Balaclava #color_inprint-obsidian
Merino Hood Balaclava

Premium Merino, breathable warmth.

Sale price$44.99
Color+2
BlackStrap Merino Tube Neck Gaiter #color_inprint-obsidian
Merino Tube Neck Gaiter
Sale price$29.99
Color+2
BlackStrap Cruiseliner Glove liner back hand#color_inprint Obsidian
Cruiseliner Gloves
Sale price$34.99
Color+1
BlackStrap Caldera Beanie #color_jory
Caldera Sherpa Fleece Beanie
Sale price$34.99
Color+1
Hood Balaclava | Solids BlackStrap Black #color_black
Hood Balaclava Solid Tones

Low-profile, helmet-ready fit.

Sale price$39.99
Color+34
BlackStrap Mens Caldera Fleece Pant #color_pulse currant
Men's Caldera Sherpa Fleece Pant
Sale price$129.99
Color
BlackStrap Women's Caldera Sherpa Fleece Half Snap Pullover #color_inprint-obsidian
Women's Caldera Sherpa Fleece Pullover 1/2 Snap
Sale price$149.99
Color
Expedition Hood Balaclava | Prints BlackStrap Pangea White #color_pangea white
Expedition Hood Balaclava Prints

Maximum warmth, storm-ready.

Sale price$44.99
Color+22
Men's Skyliner All-Season Base Layer Crewneck BlackStrap #color_pondy deschutes
Men's Skyliner All-Season Base Layer Crewneck
Sale price$59.99
Color
BlackStrap Women's Skyliner Baselayer Crewneck Long Sleeve #color_inprint currant
Women's Skyliner All-Season Base Layer Crewneck
Sale price$59.99
Color
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 SellerSave $24.00Men's Skyliner All-Season Base Layer Crewneck BlackStrap #color_pondy deschutes
Men's Skyliner All-Season Base Layer Crewneck
Sale price$59.99
Color
Best SellerSave $24.00Men's Skyliner All-Season Base Layer Pants BlackStrap #color_pondy deschutes
Men's Skyliner All-Season Base Layer Pants
Sale price$59.99
Color
Best SellerSave $24.00BlackStrap Women's Skyliner Baselayer Crewneck Long Sleeve #color_inprint currant
Women's Skyliner All-Season Base Layer Crewneck
Sale price$59.99
Color
Best SellerSave $24.00Women's Skyliner All-Season Base Layer Leggings #color_inprint currant
Women's Skyliner All-Season Base Layer Leggings
Sale price$59.99
Color
Best SellerSave $32.00Men's Summit Base Layer Crewneck BlackStrap #color_pulse-cherry
Men's Summit Base Layer Crewneck
Sale price$79.99
Color
Best SellerSave $32.00Men's Summit Base Layer Pants BlackStrap #color_pulse-cherry
Men's Summit Base Layer Pants
Sale price$79.99
Color
Save $32.00BlackStrap Women's Summit Baselayer Crewneck Long Sleeve #color_animo ash
Women's Summit Base Layer Crewneck
Sale price$79.99
Color
Best SellerSave $32.00BlackStrap Women's Summit Baselayer Leggings #color_inprint currant
Women's Summit Base Layer Leggings
Sale price$79.99
Color
Save $28.00BlackStrap Men's Vista Baselayer Crewneck Long Sleeve #color_pulse cherry
Men's Vista Base Layer Crewneck
Sale price$69.99
Color
Save $28.00BlackStrap Men's Vista Baselayer Pant #color_cherry
Men's Vista Base Layer Pant
Sale price$69.99
Color
Save $28.00BlackStrap Women's Vista Baselayer Hoodie #color_inprint-currant
Women's Vista Base Layer Hoodie
Sale price$69.99
Color
Save $28.00BlackStrap Women's Vista Baselayer Legging #color_ash
Women's Vista Base Layer Leggings
Sale price$69.99
Color
Save $28.00BlackStrap Men's Vista Baselayer Hoodie #color_pondy deschutes
Men's Vista Base Layer Hoodie
Sale price$69.99
Color
Save $28.00BlackStrap Women's Vista Baselayer Crewneck Long Sleeve #color_animo ash
Women's Vista Base Layer Crewneck
Sale price$69.99
Color
NewSave $32.00BlackStrap Mens Vista Quater Zip Pullover #color_cherry
Men's Vista Base Layer Crewneck 1/4 Zip
Sale price$79.99
Color
NewSave $32.00BlackStrap Womens Quarter Zip Hoodie #color_moonlight
Women's Vista Base Layer Crewneck 1/4 Zip
Sale price$79.99
Color
Men's Summit Base Layer Hoodie BlackStrap #color_inprint obsidian
Men's Summit Base Layer Hoodie
Sale price$79.99
Color
Best SellerSave $32.00BlackStrap Women's Summit Baselayer Hoodie #color_animo ash
Women's Summit Base Layer Hoodie
Sale price$79.99
Color
Men'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
Save $16.00Big Kids' Evolver Crewneck Long Sleeve BlackStrap #color_pondy smoldered
Big Kids' Evolver Base Layer Crewneck
Sale price$39.99
Color+1
Save $16.00Big Kids' Evolver Baselayer Pant BlackStrap #color_pondy smoldered
Big Kids' Evolver Base Layer Pant
Sale price$39.99
Color+1
Best SellerSave $12.00Kids' Little Pine Crewneck Long Sleeve BlackStrap #color_tracked evergreen
Kids' Little Pine Base Layer Crewneck
Sale price$29.99
Color+1
Best SellerSave $12.00Kids' Little Pine Baselayer Pant BlackStrap #color_tracked evergreen
Kids' Little Pine Base Layer Pant
Sale price$29.99
Color+1

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