Reinforced toes and heels bring durability and cushioning to your daily walks or runs. Bonus: The polyester yarn in REI Co-op COOLMAX EcoMade Everyday socks is made from recycled water bottles.

SocksAthletic Socks

Make a dash in the REI Co-op COOLMAX EcoMade Lightweight Flash Crew socks. Made from recycled water bottles, they offer minimal-but-long-wearing cushioning and a sport-style fit that stays put.

SocksAthletic Socks

Make a dash in the REI Co-op COOLMAX EcoMade Lightweight Flash Quarter socks. Made from recycled water bottles, they offer minimal-but-long-wearing cushioning and a sport-style fit that stays put.

SocksAthletic Socks

Designed to keep your feet happy on the trails, REI Co-op COOLMAX EcoMade Lightweight hiking crew socks wick sweat and breathe to help your feet keep their cool.

FootwearSocks

Designed to keep feet happy on the trail, REI Co-op COOLMAX EcoMade Light hiking crew socks wick sweat and breathe to help your feet keep their cool.

FootwearSocks

Made for warm days on the trail, the rugged REI Co-op COOLMAX EcoMade Lightweight hiking quarter socks are breathable and moisture-wicking to keep feet drier.

FootwearSocks

With a sport-style fit that stays put through windy trails and sudden stops and starts, these REI Co-op COOLMAX EcoMade Lightweight Tech quarter socks are cool and breathable.

FootwearSocks

Wear them under your hiking socks as a barrier against chafing, or wear them alone on hot day hikes. The REI Co-op COOLMAX EcoMade liner socks are moisture-wicking, breathable and durable.

SocksLiner Socks

Hit the trail dressed for comfort in these REI Co-op COOLMAX EcoMade Midweight hiking crew socks. Cushioned, breathable and absorbent, they are made using yarn from recycled water bottles.

FootwearSocks

Hit the trail dressed for comfort in the REI Co-op COOLMAX EcoMade Midweight hiking crew socks. They're cushioned, breathable, absorbent and made using yarn from recycled water bottles.

FootwearSocks

Sometimes even the hottest days call for a fully cushioned workhorse of a sock. That's when the burly Darn Tough COOLMAX Full Cushion Boot men's socks come into play.

FootwearSocks

Sometimes even the hottest days call for a workhorse of a sock, and that's when this burly trail legend shines. Darn Tough COOLMAX Full Cushion Boot socks are trail proven and thru-hiker approved.

SocksAthletic Socks

The ultimate companion for hot summer hikes, these COOLMAX® socks are engineered to move moisture away from your skin, dry quickly and enhance comfort. Stay cool and keep on hiking.

FootwearSocks

The ultimate crew-height companions for hot summer hikes, these women's COOLMAX socks are engineered to move moisture away from your skin, dry quickly and enhance comfort. Stay cool, keep hiking.

FootwearSocks