The Skull Cap Helmet Liner Beanie is a versatile accessory that is perfect for cycling, running, and other outdoor activities. It is designed to fit comfortably under helmets, providing an extra layer of protection and insulation. Made from breathable and quick-drying mesh ice silk, this helmet liner beanie is sweat-absorbing and quick-drying, keeping you cool and comfortable during your workouts. The high-stretch and premium craft ensure a snug and secure fit, while the adjustable straps allow for a customizable fit. This helmet liner beanie is helmet-friendly, with a mesh breathable design that allows for optimal airflow. It also features adjustable straps, fleece-lined ear flaps, and a neck extension for added warmth and protection. The visor provides shade and protection from the sun, while the sweat-absorbing and quick-drying properties keep you dry and comfortable. - Breathable and quick-drying mesh ice silk material - High-stretch and premium craft for a snug fit - Helmet-friendly design - Adjustable straps for a customizable fit - Sweat-absorbing and quick-drying properties - Fleece-lined ear flaps and neck extension for added warmth - Visor for shade and sun protection - Mesh breathable design for optimal airflow - Fits comfortably under helmets - Suitable for cycling, running, and other outdoor activities.