Darn Tough Men's Full Cushion Hiking Socks - The sock that made a name for itself from the Pacific Crest Trail to the AT. "Must pack" durability meets undeniable comfort in a Full Cushion sock that absorbs the rigors of the trail. Performance fit: no slipping, no bunching, and no blisters; Fine gauge knitting: Unprecedented durability and our unique "put it on, forget it's on" feel; Fast Action wicking: pulls moisture away from skin. Fast drying; All weather performance: cool in the summer, warm in the winter; Naturally antimicrobial: repels bacteria and odor; Merino wool: the ultimate fiber for breathability and comfort in all conditions; True seamless: undetectable seam fusion for an ultra smooth, invisible feel; Full cushion: high density cushioning throughout the entire sock for full on comfort and performance; Boot height: sits mid-calf for added protection and warmth; Style:1405;