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.

COOLMAX® fabric is engineered to move moisture away from your skin and dry fast in warm conditions

Fabric blend is cool in the summer and warm in the winter; it also repels odors

Fine-gauge knitting ups the durability factor and offers a "put it on, forget it's on" feel

Undetectable seam fusion creates an ultra-smooth, almost invisible feel

Performance fit means no slipping, no bunching and no blisters