Pearl Izumi’s Fly In-R-Cool Cap is designed to keep you dry and soaring to new personal bests. This ultra-lightweight cap features Pearl's P.R.O. Transfer fabric with In-R-Cool technology which keeps you cool and transfers moisture so you stay ahead of the pack. The visor sports perforations for extra weight savings and a matte-black underside to keep glare out of your eyes. Plus, the outside of this sweet cap boasts silicone imprints to keep your sunglasses in place and reflective accents for safety.