Bottoms

$89.00

So Nice You'll Forget You're Not Going Commando Designed to manage the extremes of high-output exertion, Patagonia's Capilene® Midweight fabric hits the sweet spot of weight, breathability and wick...

Patagonia

$149.00

Hike, Alpine, or Rock, this Pant does it All Fully featured, lightweight soft-shell pants with added durability for long alpine rock routes and all-day movement above the tree line. Inseam is 32 in...

Classic All-Season Merino Base Layer Bottom

Smartwool

$90.00

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...

Black Diamond

$159.00

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...

Smartwool

$48.00

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...

70% Off

Black Diamond

from $48.00

~~$159.00~~

Tough Enough for Granite, Light Enough for the Approach The Black Diamond Men’s Alpine Pant is built for shoulder-season missions where durability and breathability matter most. Four-way stretch fa...

Black Diamond

$179.00

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...

70% Off

Black Diamond

from $96.00

~~$319.00~~

Storm Armor Without the Bulk The Black Diamond Men’s HighLine Stretch Full-Zip Pants deliver alpine-ready weather protection in a lightweight, packable build. The 3-layer BD.dry waterproof/breathab...

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Patagonia

$35.00

The Essentials Everyday boxer briefs made with moisture-wicking, breathable TENCEL™ lyocell/spandex stretch jersey. Fair Trade Certified™ sewn.

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Smartwool

$35.00

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...

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Mountain Hardwear

$250.00

Mountain Hardwear's Recycled PrimaLoft® Gold P.U.R.E. Insulated Pant for Wet-weather Warmth from Base to Summit When the going gets wet and cold while pitching climbs, the Compressor™ Alpine Pant i...

Black Diamond

$149.00

Lightweight Pant for Climbing, Hiking, Beer-ing An ultralight wind barrier, the Black Diamond Alpine Light Pants are the three-season solution for lightweight weather protection. Designed with a si...

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.

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