【ONE SIZE FIT ALL NOGGINS】 ROCKBROS helmet liner skull cap features a stretchy full-coverage design and its stretchy material fits head circumferences from 20" to 24", also works friendly for bald head and big head.
【WARM & WINDPROOF】Our winter skull cap comes with a smooth windproof surface and is lined with super warm thermal material, makes your head and ear fully covers and provides more warmth, keeps the wind chill away while running or cycling in chilly weather.
【LIGHTWEIGHT】This beanie cap is made of a mix of polyester and spandex that is soft and lightweight enough that wicks away moisture, is highly breathable and comfortable.
【GLASSES HOLE】Both sides of this helmet liner are equipped with practical glasses holes where you can wear your headsets, reading glasses or cycling glasses without interference.
【VERSATILE】This fleece beanie cap can be worn as a helmet liner, cycling cap, skull cap, motorcycle headwear, and unisex. Also suitable for cycling, motorcycling, skiing, running, snowboarding, hunting, hiking, or any outdoor-related activities.