Castelli Womens Reghina 13 Sock Perfect for early and late season rides, Castelli Womens Reghina 13 Socks offer bold style, the warmth and versatility of Merino wool, full-length protection and a 13cm length cuff. Stay on the bike and be comfortable while looking good during those chillier times of year. Features Merino wool blend 13cm cuff Intended Use: Cool Weather Cycling Weight:45g Sizing (Euro/US) Size Small/Medium Large/Extra Large XX Large Men's Shoe Size 36-39 / 4-7 40-43 / 8-10 44-47 / 11-14 Women's Shoe Size 35-38 / 5-7 39-41 / 8-10 42-43 / 11-12