When you're heading out into iffy weather, grab the men's Smartwool Active Ultralite anorak. It's loaded with practical details, like a half zipper for venting and a flip-up hood, to keep you cozy.

JacketsWind Shells

Waterproof yet nimble, insulated yet breathable—the men's Columbia Aerial Ascender jacket protects you from snow and cold without slowing you down. It has a full suite of mountain-ready features.

JacketsInsulated Jackets

When you're moving fast and keeping it light, bring along the men's Patagonia Airshed Pro pullover. It's a stretchy, breathable jacket that compresses enough to stash in your pack or pocket.

JacketsRunning Jackets

For light and fast ascents and descents, opt for the women's Patagonia Airshed Pro pullover. This stretchy, breathable jacket provides coverage that compresses enough to stash in your pack or pocket.

JacketsRunning Jackets

Skies looking iffy? Try this zip-up. A streamlined layer that stands up to the elements, the Brooks All Altitude jacket can be deployed from a pocket on its hood to fend off wind and light rain.

JacketsRunning Jackets

Skies looking iffy? Try this zip-up. A streamlined layer that stands up to the elements, the men's Brooks All Altitude jacket can be deployed from a pocket to fend off wind and light rain.

JacketsRunning Jackets

Designed for cool-weather missions when you need a featherlight insulating layer that packs down small and still keeps you warm, the men's Patagonia AlpLight Down Pullover uses 800-fill-power down.

JacketsInsulated Jackets

A classic resort design has been updated in the men's Helly Hansen Alpha 3.0 insulated jacket with Life Pocket™, an insulated pocket to preserve the battery life of your phone in cold conditions.

JacketsInsulated Jackets

Built to withstand harsh conditions on big climbs, the men's Arc'teryx Alpha SV jacket—an Arc'teryx icon repeatedly proven in severe alpine environments—is now stronger and lighter.

JacketsRain Jackets

Lightweight, warm and easy to pack away, the prAna Alpine Air insulated jacket for men is perfect for up-before-dawn or after-twilight hikes in the shoulder seasons.

JacketsInsulated Jackets

Perfect for up-before-dawn or after-twilight hikes in the shoulder seasons, the prAna Alpine Air insulated jacket for women is lightweight, warm and easy to pack away.

JacketsInsulated Jackets

A perfect layer for the between seasons, women's Columbia Alpine Chill windbreaker blocks wind, provides UPF 40 sun protection and even packs down into its own pocket.

JacketsWind Shells

Cold-weather days call for reliable protection. The North Face Alpine Polartec 200 full-zip hooded jacket has flexible 4-way stretch and hem/hood adjustability, and is made from 100% recycled fabric.

JacketsFleece Jackets

The everyday hoodie gets a modern makeover in the men's Spyder Alps full-zip. Its stretch heathered polyester sweater knit and soft lining make this cold-weather hoodie one you'll never take off.

JacketsInsulated Jackets