Beat the heat and shade your eyes with Oakley’s Metal Gas Can performance cap featuring a brushed metal logo on the crown and a small matching brand name on the back. It also boasts a built-in padded moisture-wicking fabric headband to keep your noggin dry with sleek style. SM/MD fits 6" - 7 1/8"; LG/XL fits 7 1/8" – 8". Sizes are approximate.