Product Information Colors: 01_Gray 02_Black ■ Size: Free size, head circumference 52-58cm. ■ Material: Polyurethane ? Great for all outdoor activities, from cycling, running, and mountain climbing to winter sports like skiing! ? With ear covers, it protects your ears from the cold! 【Cold Protection & Insulation】 This type completely covers the ears. The material used for the part from the ears to the back is "Thermafleece," which has excellent windproof and heat-retaining properties. For rides in cold seasons, just protecting your head from the cold makes a difference in warmth. By using winter Thermafleece material and windproof material, you can enjoy comfortable rides in the cold season! The fleece processing on the inside provides a comfortable feel against the skin. 【Careful Design】 Designed with sunglasses in mind, there are holes for sunglasses!!! Also, by making the fabric of these holes double-layered, it prevents wind from entering and the associated noise!!! 【Breathability & Quick-drying】 By using sweat-absorbent and quick-drying materials, it dries quickly, reduces stuffiness, and keeps you feeling dry at all times!