The popular non-binding sock fit meets classic style with the SmartWool Men's Inline Non Binding Crew Socks. Loose fitting and comfortable, but still stays in place, the non-cushioned Inline Non Binding won't add bulk in your shoes. Features: Ultra Light Cushion: Non-cushioned for maximum performance in close-fitting shoesSupportive arch brace Sock Height: Crew Care: Machine Wash Warm Gentle Cycle. Do Not Bleach. Tumble Dry Low. Do Not Iron. Do Not Dry Clean Knit in USA of Imported Yarn: 53% Merino Wool/44% Nylon/3% Elastane Men's Sizing: (Shoe Size Reference): S: 3-3.5 M: 6-8.5 L: 9-11.5 XL: 12-14.5