Patented SweatBlock Seal channels sweat back and away from the eyes and face.</br>Dryline fabric absorbs sweat, wicks moisture and dries quickly.</br>4-way stretch micro-mesh top relesases heat for year round comfort.</br>Will not lose shape, form or stretch out.</br>One size fits both men and women.</br></br>Product Description</br></br>Halo Skull Cap is a lightweight yet effective design that allows it the headband to fit comfortably under a helmet. The smooth mesh top helps keep your head cool, even on hot summer days. This sweat skull cap is great for bicycling, lacrosse, football, hockey, motorcycling or on the job under a hardhat.</br><br/>http://www.amazon.com/gp/product/B00Q6HL13Q