Hit the trail even as temps dip. Insulated ripstop nylon pairs with strategically placed, fleece-backed stretch knit built for movement in the women's REI Co-op Swiftland insulated running jacket.

JacketsRunning Jackets

The more you run, the more you'll love the men's REI Co-op Swiftland long-sleeve T-shirt—it's made with microventilated SwiftTex™ fabric that's so light and cool it's like running in nothing at all.

Shirts ParentShirts

Sweat happens. The women's REI Co-op Swiftland long-sleeve T-shirt handles it easily—with microventilated SwiftTex™ fabric that's so light and airy you won't even notice it's there.

Shirts ParentShirts

You can't make the day any cooler, but you can wear the women's REI Co-op Swiftland long-sleeve T-shirt—it cools you with microventilated SwiftTex™, a fabric so airy and light it's barely there.

Shirts ParentShirts

Make any distance a little more comfortable. The REI Co-op Swiftland Run Low socks are made with breathable COOLMAX® EcoMade polyester that wicks away moisture to help keep feet drier and cooler.

SocksAthletic Socks

Make any distance a little more comfortable. The REI Co-op Swiftland Run Quarter socks are made with breathable COOLMAX® EcoMade polyester that wicks moisture to help keep feet drier and cooler.

SocksAthletic Socks

If your everyday cap doubles as your sweat-stained running buddy, it might be time for the REI Co-op Swiftland running cap. The packable brim and quick-drying mesh are made for trail running.

HeadwearHats

Nothing breaks rhythm like trying to run with a rock in your shoe. Keep your pace and fend off rocks, mud and dirt with the light, breathable and stretchy REI Co-op Swiftland Running Gaiters.

Wearable Protective GearLeg Gaiters

If fast-moving trails under your feet are the best remedy for stressful days, pick up the pace in this everyday stretchy staple: the wicking, quick-drying REI Co-op Swiftland men's running joggers.

Pants ParentPants

Stand up to any rainy day run in the men's REI Co-op Swiftland Running Pants–with wind- and water-resistant fabric where you need protection most and 4-way stretch placed for comfort.

Pants ParentPants

If you like running long trails on warm days, you'll love the men's REI Co-op Swiftland T-shirt—it's made of microventilated SwiftTex™, a fabric so airy and cool it's barely heavier than the breeze.

Shirts ParentShirts

Forget the heat and focus on the fun. The women's REI Co-op Swiftland short-sleeve T-shirt is made with microventilated SwiftTex™ fabric that's so airy and cool you won't even notice it's there.

Shirts ParentShirts

You can't outrun heat, but you can run cool in the women's REI Co-op Swiftland short-sleeve T-shirt. It's made with microventilated SwiftTex™, a fabric so light and airy you barely know it's there.

Shirts ParentShirts

Break a sweat and keep your cool. The women's REI Co-op Swiftland tank top is made with new microventilated SwitftTex™ fabric that's so light and airy it's like wearing nothing at all.

Shirts ParentShirts