UNDER THE HELMET CAP: The Transfer Lite Skull Cap is suitable for men and women riders. It goes under your helmet and delivers optimal breathability and sweat absorption COOL & COMFORTABLE PERFORMANCE The P.R.O. UPF 50+ Transfer fabric provides optimal moisture transfer, dry time and odor absorption. The minimal silicone grippers give it that barely there feeling that is critical for a comfortable under-your-helmet fit SUN PROTECTION: Provides UPF 50+ sun protection while cycling with anatomic paneling for a performance fit HIGH QUALITY MATERIALS: Made from 93% Polyester and 7% Elastane. Use simple detergents with no additives. The general rule of thumb is the simpler the better. If you use a dryer be sure to use a lower / warm heat setting OBSESSIVE INNOVATION: PEARL iZUMi innovates so you ride happier, more comfortably, drier, faster, warmer, and safer. Innovation not for innovation’s sake, but for the goal of making each product better than the last