Adult Motorbike Helmet Full Face Dual Lens Flip Up Design Built in Sunshield for Cool Rider Four Seasons Features： 1、Premium Quality Materials: Made from premium-quality ABS materials, reliable performance and superior longevity. Highly breathable design offer a comfortable way to have breathable air, and can be easy to remove and wear. 2、Dual Visor: The outside visor and inner sun visor can be respectively flipped up and down, which can offer you dual conservation. 3、Easy Operation: Quick and easy buckles, you can wear the helmet by buckling up within 3s. 4、Safe Riding: The motorcycle helmet is of ergonomic design, which can offer better conservation to the rider. 5、Multicolor: 3 Different colors for you to choose from, highlighting your personality, eye-catching, fashionable and novel, should be the first choice that come to your mind. Specification： Features: Premium Quality Materials: Made from premium-quality ABS materials, reliable performance and superior longevity. Highly breathable design offer a comfortable way to have breathable air, and can be easy to remove and wear. Dual Visor: The outside visor and inner sun visor can be respectively flipped up and down, which can offer you dual conservation. Easy Operation: Quick and easy buckles, you can wear the helmet by buckling up within 3s.? Safe Riding: The motorcycle helmet is of ergonomic design, which can offer better conservation to the rider. Multicolor: 3 Different colors for you to choose from, highlighting your personality, eye-catching, fashionable and novel, should be the first choice that come to your mind. Specifications: Material: ABS Head Circumference:? Size M: 57-58cm/22.4-22.8in Size L: 59-60cm/23.2-23.6in Size XL: 61-62cm/24-24.4in Package Size:?39*28*27 cm Package Weight: 2250g Package List: 1 * Motorcycle Helmet Package List： 1 * Motorcycle Helmet