Help stop the shivering on a cold morning ride with the Pearl Izumi Barrier Headband. Featuring a wind resistant P.R.O barrier front panel for protection. It also has thermal moisture wicking properties and an ergonomically contoured fit , so it fits snugly under your helmet. Available in two color options. P.R.O. Thermal Dry fabric provides optimal moisture transfer warmth with optimal moisture transfer, dry time and odor absorption. Low ponytail cut-out allows for a braid or ponytail which does not affect the helmet mechanisms. Reflective elements assist with low-light conditions. Main Body: 90% polyester, 10% elastane. â¢ Front: 100% polyester. Use simple detergents with no additives. Never use detergents with fabric softeners, perfumes or any additive type product. Machine wash, hang dry. Imported.