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    Icon Raglan Base Layer Top - Men's
    Mons Royale

    Pack less and do more with the men's Mons Royale Icon Raglan top. You'll go from bike laps to alpine climbs and everything in between without having to change shirts.

    Weight: Lightweight
    Material: Merino Wool, Nylon, Elastane

    base-layer-tops

    Idunn Hipster Underwear - Women's
    Kari Traa

    Laser-cut for a clean finish and barely-there feel, the sleek Kari Traa Idunn Hipster underwear fit well under your workout tights. They also give 4-way stretch and dry quickly for functional comfort.

    Weight: Bikini
    Material: Polyamide, Elastane

    briefs

    Impact Run AT Bra
    New Balance

    Designed to help you go the distance, the New Balance Impact Run AT Bra features a spacious back pocket and bungee system to keep your essential gear easily accessible while you're out on the trails.

    Weight: Contains recycled materials
    Material: Polyester, Spandex

    sports-bras

    Impact Run All Terrain Bra
    New Balance

    Trail-ready and in it for the long haul, the New Balance Impact Run All Terrain bra has quick-drying, sweat-wicking tech and plenty of pockets to stash your essentials.

    Material: Polyester, Spandex

    sports-bras

    Indy V-Neck Bra
    Nike

    Offering medium support for your runs, the Nike Indy V-neck sports bra reimagines everyday comfort by moving the adjustability up front so it's easier to get the perfect fit.

    Weight: Contains recycled materials
    Material: Polyester

    sports-bras

    Indy V-Neck Bra - Plus Sizes
    Nike

    Offering low-impact support while you're working up a sweat, the Nike Indy V-neck sports bra reimagines everyday comfort by moving the adjustability up front so it's easier to get the perfect fit.

    Weight: Contains recycled materials
    Material: Polyester, Spandex

    sports-bras

    Intraknit Active Base Layer Bottoms - Men's
    Smartwool

    Designed to layer under pants or shorts, the men's Smartwool Intraknit Active base layer bottoms help with temperature regulation and moisture management to keep you comfortable while you're active.

    Weight: Lightweight
    Material: Merino Wool, Tencel Lyocell, Polyester, Elastane

    base-layer-bottoms

    Intraknit Active Base Layer Bottoms - Women's
    Smartwool

    Designed to layer under shorts or pants, the women's Smartwool Intraknit Active base layer bottoms help with moisture management and temperature regulation to keep you comfortable while you're active.

    Weight: Lightweight
    Material: Merino Wool, Tencel Lyocell, Polyester, Elastane

    base-layer-bottoms

    Intraknit Active Base Layer Top - Men's
    Smartwool

    With mesh ventilation for cooling, minimal seams to help reduce chafing and a fit that moves with your body, the men's Smartwool Intraknit Active base layer top is ready to go the distance with you.

    Weight: Lightweight
    Material: Merino Wool, Tencel Lyocell, Polyester, Elastane

    base-layer-tops

    Intraknit Active Base Layer Top - Women's
    Smartwool

    With mesh ventilation for cooling, a fit that moves with your body and minimal seams to help reduce chafing, the women's Smartwool Intraknit Active base layer top is ready to go the distance with you.

    Weight: Lightweight
    Material: Merino Wool, Tencel Lyocell, Polyester, Elastane

    base-layer-tops

    Intraknit Thermal Max Merino Pattern Base Layer Hoodie - Women's
    Smartwool

    Engineered 3D-knit panels of Merino Sport yarn deliver perfectly placed breathability and thermoregulating comfort on the women's Smartwool Intraknit Thermal Max Merino Pattern hoodie.

    Weight: Heavyweight
    Material: Wool

    base-layer-tops

    Intraknit Thermal Max Quarter-Zip Base Layer Top - Men's
    Smartwool

    With merino comfort, ventilation and articulated flex zones, the Smartwool Intraknit Thermal Max Quarter-Zip base layer top will be what you grab first for high-intensity, cold-weather adventures.

    Weight: Midweight
    Material: Wool

    base-layer-tops

    Intraknit Thermal Max Quarter-Zip Base Layer Top - Women's
    Smartwool

    With seamlessly integrated insulation and ventilation and articulated flex zones, the women's Smartwool Intraknit Thermal Max Quarter-Zip base layer top is made for high-intensity, cold-weather fun.

    Weight: Midweight
    Material: Wool

    base-layer-tops

    Intraknit Thermal Merino 3/4 Base Layer Bottoms - Men's
    Smartwool

    Stay comfortable on cooler-weather adventures in the Smartwool Intraknit Thermal Merino men's 3/4-length base layer bottoms, which have a performance-enhancing design and a shorter, versatile length.

    Weight: Lightweight
    Material: Merino Wool, Polyester, Elastane, Polyamide

    base-layer-bottoms

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