Some days, you just want to leave the cycling cap at home and enjoy a bill-free ride through the countryside. Get unobstructed vision and keep the sweat out of your eyes on hot summer rides with the Castelli Summer Headband. Made from soft, moisture-wicking fabrics across the front to mop away sweat and stretchy, breathable mesh across the back, this headband sits comfortably under your helmet to keep you cool and dry.