The lining of the are made of eco-friendly material with fine workmanship soft and comfortable it is removable for convenient cleaning durable and exquisite. The mouth and air ventilation design will let fresh air in and out keeping your head cool suitable for all seasons. The ergonomic design and lightweight can reduce head burden and improve your riding experience. The safety buckle and locked lens base enables stable and comfortale wearing. Specifications: Material: ABS+Cotton Color: Red Green Blue Head Circumference: 59-60cm23.2-23.6in(L) Weight: 1800g 63.5oz Size: 31.5*26*24.5cm 12.4*10.2*9.6in Package Size: 30*26*20cm 11.8*10.2*7.9in Package List: 1* Motorcycle Helmet