High quality merino wool mountain bike sock suitable for year round trail abusetried and tested merino wool ensures quality and comfortreinforced heel and toe give year round durabilitymetatarsal pad gives additional cushioning a welcome comfort on longer ridesflat toe seam prevents any discomfortribbed cuff and arch support gives a great fit and foot stabilitymid 35 inch cuff lengthmade in italylimited lifetime warranty