EMPIRELION 9" Multifunctional Lightweight Beanies Hats, Thin Running Skull Cap Helmet Liner Sleep Caps for Men Women

2-PACK VALUE SET: Get two EMPIRELION lightweight beanies in one order. Perfect for keeping one in your gym bag and one at home, or sharing with a training partner. 9-inch depth sits securely without slipping. UPF 30+ SUN PROTECTION: Shields your scalp from harmful UV rays during outdoor activities. Weighs just 50g per cap, so you will barely notice it during long runs, rides, or gym sessions. UPF 30+ SUN PROTECTION: Shields your scalp from harmful UV rays during outdoor activities. Weighs just 50g per cap, so you will barely notice it during long runs, rides, or gym sessions. FITS UNDER ANY HELMET: Slim low-profile design slides easily under road cycling helmets, mountain bike helmets, motorcycle helmets, and hard hats. Soft inner elastic keeps the cap in place without marks. EASY CARE AND DURABLE: Machine washable on a gentle cycle. Air dry to maintain shape. One size fits head circumferences of 20.5 to 23.5 inches (52 to 60cm) for both men and women.