Castelli Geo 15 SockThe Castelli Geo 15 Sock is made for riders who want lightweight integrity in a higher cuff. Made of Meryl Skinlife yarn, they're durable, light, and offers great moisture management. The rad geometric aesthetic matches with a variety of kits. A supportive band across the arch helps add comfort and support, and minimal seams prevent discomfort.FeaturesMeryl Skinlife yarn is durable, light, and breathableSupportive compression using a band around the arch to promote comfortGreat moisture control keeps your feet feeling cool and dry | Castelli Geo 15 Cycling Socks Men's Size XX Large in Gray