Nike Vapor Boxing Cap - Black / White - Ultimate performance and comfort in our signature Nike true silhouette. This structured six panel cap is constructed in dri-fit fabric and features a dri-fit terry sweatband for excellent moisture management. Our patented vapor bill construction reduces pressure against your forehead and provides unmatched comfort. The back four panels are laser perforated to increase ventilation and reduce weight. This swoosh flex cap stretches to accommodate a variety of sizes.