A true three-season sock, the Signature Wool Sock pairs ultrafine merino wool with the same great fit and construction found on our summer-weight socks. Cuff height is 18-22cm (2cm per size) from the heel and features a 2cm double welt. A cross-hatch arch band and closed-knit construction across the top of the foot ensure excellent fit, slim profile and added thermal protection, keeping your feet comfortable across a range of temps. Merino wool is naturally thermo-regulating and odor resistant. Nylon is incorporated for durability and longevity in high-wear areas. FEATURES: Ultrafine Merino is incredibly soft, moisture wicking and thermo-regulating Light weight for three-season comfort Crosshatch knit arch band keeps sock in place 16-20cm cuff based on size, with 2cm welt