The 20.3 cm Defend Lunar socks, developed for trail riding, are born to tackle every pitfall of your most extreme endeavors. Thick technical cushioning on the toe, heel and shin and compression on the arch: these socks developed for trail outings ensure extraordinary comfort all day long. The flat seam design at the toe prevents chafing and irritation while you're riding, and the ribbed fabric at the top keeps the socks in place on even the toughest passes.