Gore Bike Wear Universal SO Thermo Helmet Cap 100% Polyester Imported Windproof Soft Shell cap that fits under any helmet, keeping your ears and head warm Protects against the elements; WINDSTOPPER Soft Shell technology  windproof, water repellent, and with great breathability Slits above the ears let you wear your glasses but keep your ears covered, elastic edges for a snug and comfy fit, easily stowable Safety conscious reflective logo. Easy clean, machine washable. Contents: 1 universal WINDSTOPPER Soft Shell helmet cap