AKA’s Premium Race Socks provides a compression fit, performance ribbing, enhanced ventilation and a reduced friction profile. Made exclusively for AKA from the premium SGX line by Sock Guy. These thin socks are ideal for high performance sports such as cycling or running, but will get your through your long main in comfort or keep you on top of your turn marshaling game. Pairs are sold in your choice of S/M (US size 5-9) or L/XL(US size 9-13) sizes. Made in the USA.