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Bottoms

Bottoms

Regular price $89.00
Sale price $89.00
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So nice you'll forget you're not going commando. A classic, all-around 100% recycled polyester baselayer. The smooth, soft face makes for easy layering. Hollow-core yarns and a diamond-grid back...
Regular price $90.00
Sale price $90.00
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A Great Feeling First Layer A year-round favorite, our Classic All-Season Merino Base Layer Bottoms work hard to keep you comfortable everywhere, from the ski lifts to the campsite. With an updated...
Regular price $159.00
Sale price $159.00
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Our Climbing Guides Love this Pant During any spring or fall mission, the Black Diamond Alpine Pant blends extreme durability with a highly breathable construction. Designed with a four-way stretch...
Regular price $48.00
Sale price $48.00
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Perfect Fitting Natural Underwear Every adventure starts with a solid foundation, and so does your outfit. Whether you're in Tennessee or Timbuktu, the ultra-comfy and durable Merino fabri...
Regular price $179.00
Sale price $179.00
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Good for You and the Environment The Fineline Stretch Full Zip Pants provide the security you need to push your limits no matter what the weather holds. Updated to be PFAS free for fall 2024 and fe...
Regular price $35.00
Sale price $35.00
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Performance for Any Adventure Our Men's Merino Sport 150 Boxer Briefs are designed to perform no matter the trail/road/adventure you're on. They feature a double front panel designed to pr...
Regular price $159.00
Sale price $159.00
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A Top Choice of RMI Expeditions' Guides During any spring or fall mission, the Black Diamond Alpine Pant blends extreme durability with a highly breathable construction. Designed with a four-way st...
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Regular price $179.00
Sale price $179.00
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Eco Friendly Protection The Fineline Stretch Full Zip Pants provide the security you need to push your limits no matter what the weather holds. Updated to be PFAS free for fall 2024 and featuring B...
Regular price $110.00
Sale price $110.00
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100% Merino. 100% Capable. Our Women's Classic Thermal Merino Base Layer B is always ready for what's ahead and what's next. With a fit updated to improve functionality while enhancing ae...
Regular price $99.00
Sale price $99.00
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Lightweight, Durable, and Warm A breathable, lofted base layer to keep you warm in cold conditions. Built with an open-grid pattern providing superior warmth, breathability and moisture-wicking per...

From base layers to bombproof shells.

Your lower half deserves just as much attention as your layering system up top — and this collection has it covered. From glacier-ready hardshells to breathable climbing pants, long underwear to trail shorts, these are the guide-approved bottoms that hold up in real mountain conditions. Whether you’re booting up Rainier or lounging at BaseCamp, these layers move with you, not against you.