When the temps drop but the single track keeps calling, throw on a pair of PNW Wool Socks. The 6" cuff looks good with extra mud caked on. - 70% Merino Wool, 27% Nylon, 3% Lycra - 6" Cuff Height Sizing: - Small: Women 6-8, Men 4.5-6.5, UE 36-39.5 - Medium: Women 8.5-10.5, Men 7-9, EU 40-42.5 - Large: Women 11-13, Men 9.5-11.5, EU 43-45.5 - XL: Men 12-14, EU 46-48