Mountain biking: Guerrilla Gravity in Jefferson Park sells made-in-America carbon fiber bikes; Reeb Cycles in Longmont offers an assortment of bikes (and was started by Oskar Blues founder Dale Katechis).
Rock climbing: Lafayette’s Great Trango Holdings has all the ropes, carabiners, harnesses, and helmets you require; Italy-born CAMP—whose North American headquarters are in Golden—is renowned for its ultralight climbing (and ski mountaineering) gear.
Skiing: Head to Golden for Icelantic Skis’ handcrafted, extremely durable backcountry, freeride, and all-mountain skis; Overland’s Meier Skis are created from Centennial State wood; and Boulder-born Spyder has been selling world-class ski jackets, pants, and bibs since 1978.
Snowboarding: Never Summer’s boards are all handmade in Denver; Minturn’s Weston offers a slew of ready-to-shred boards and accessories; and Venture Snowboards are handcrafted by fellow boarders in Silverton.
Snowshoeing: Crescent Moon Snowshoes in Boulder purveys foam and aluminum pairs for your next winter wonderland walk.
Stand-up paddleboarding: Check out Steamboat Springs’ Hala Gear for SUP boards built for a variety of speeds, from white-water surfing to yoga.