Darn Tough Men's Outer Limits Over-The-Calf Lightweight Sock in Gray Alpine 5-liter lumbar reservoir with a

5-liter lumbar reservoir with a magnetic bite valve that attaches to the hipbelt for easy access while you pedal

The wax can be re-heated after cooling to room temperature (10 min) for better durability

cleans and refreshes

even over technical terrain

Darn Tough Men's Outer Limits Over-The-Calf Lightweight Sock in Gray Alpine 5-liter lumbar reservoir with aThe Darn Tough Outer Limits Sock features added mesh panels on top of the foot and back of the leg will help you keep everything chill. Light cushion underfoot will guide soft landings lap after lap. Everyone knows thats whats up. Materials: 54% Nylon 42% Merino Wool 4% Lycra Spandex