An ultralight water purifier that eliminates all microorganisms, leaves no aftertaste, and works fast.

Send and receive messages from the backcountry

Midweight hikers that can scramble and haul 45-pound loads.

Ultralight, waterproof hikers that have all-day comfort and superb traction.

Dennis Lewon shows you why the Mountainsmith Phoenix won this year's Green Award at the Outdoor Retailer Show in Salt Lake City.,See why this pack from Mountainsmith went home with our Editors' Choice Award.

Maximum warmth, minimum weight,Maximum warmth, minimum weight.

A lightweight pack with best-in-class suspension for heavy loads.

An 800-fill-down puffy that packs small and is under $200.