The Darn Tough Fraggle Crew is a crew height sock that features a playful band of fragmented stripes at the top. The naturally antimicrobial sock is an all-weather performance sock. It is made of 62% Merino Wool, 35% Nylon and 3% Lycra® Spandex. The sock features a performance fit, fine gauge knitting, fast action wicking and True Seamless™ for an ultra smooth, invisible feel. All Darn Tough socks are made in Vermont, USA and carry a lifetime guarantee.