Size Chart When facing the choice, take the longer loop, because this sock has comfort covered. The light cushioning makes these socks ideal for varied terrain and warm weather day trips or as everyday around town socks. Merino helps move moisture and regulate body temperature. An arch support and flat-knit toe seam add extra comfort. Features: - Light cushioned shin and sole for impact absorption and warmth - Sock Height: Crew - Sizing clearly indicated on the sock - Flat knit toe seam - Elasticized arch brace - Made in USA of Imported Yarns: 59% Merino Wool, 39% Nylon, 2% Elastane - Only available to ship within the USA - Last Chance: Discontinued Style