The structured high-depth design of the Nike Rise Cap features advanced sweat-wicking fabric that helps to keep you cool and fresh all day long. We finished it off with a flexible AeroBill and a super-breathable feel, so you can focus on hitting each rep and reaching the next goal. Benefits:Nike Dri-FIT ADV technology combines moisture-wicking fabric with advanced engineering and features to help you stay dry and comfortable. Nike AeroBill technology combines breathability with sweat-wicking comfort to help reduce distractions. Woven fabric is lightweight and durable. The SwooshFlex elastic closure stretches for a fit that feels just right.