If you prefer your bike socks at a crew height, let us recommend our PhD?Cycle Ultra Light Pattern Crew. Featuring our Indestructawool?technology for enhanced durability, our 4 Degree?elite fit system for a dialed, performance-oriented fit, and our Virtually Seamless?toe for enhanced comfort, these Merino wool biking socks will help you push pedals. And yourself.. . ?. . . 4 Degree?Elite Fit System for a dialed, performance-oriented fit with flex zone at ankle joint. Indestructawool?technology features a patent-pending construction method for exceptional durability and comfort. Mesh ventilation zones provide optimum moisture management and maximum breathability. Shred Shield helps reduce wear from toes. Sock Height: Crew. Shred Shield?technology reduces wear from toes. Body-mapped mesh zones for added breathability. Virtually Seamless?toe for enhanced comfort. 7.5 overall height. Made in the USA?of Imported Yarn: 46% Merino Wool 49% Nylon 5% Elastane. Machine Wash Warm Gentle Cycle..