Eastbay EVAPOR Skull Cap - Men's Stay cool, even with your dew under wraps in the Eastbay Skull Cap With EVAPOR. This piece of performance headgear offers you EVAPOR™ construction which wicks unwanted moisture away from your head to the surface where it can be easily evaporated, leaving you cool, dry and comfortable. The high stretch fabric and mesh top add ventilation and create a perfect fit. A tagless design provides additional comfort and the Eastbay logo lets you know you are going to work with The Athletic SportSource®! 84% polyester/16% spandex. Imported.