Coolmax Summer Motorcycle Socks. Features a "Traction Grip" dotted PVC coating on the sole for extra stick inside the boot. Offers amazing control. Summer: Black/Red - Invista's COOLMAX fabric is COOL and COMFORTABLE without weight making it the perfect layer high performance activities. Unisex, Anti-Microbial. Sits approx. 2 inches below the Knee for Full Leg Coverage. One (1) Size Fits All.