Head Measurement Please Be Sure To Measure Your Headcircumference (Brow Bone To Occipitalbone) With A Soft Ruler Before Purchas-Ing, Do Not Choose A Size Based Onyour Previous Experience Combining a broad field of view to avoid claustrophobia, the lightweight ABS shell is paired with a comfortable and breathable lining, providing a stress free all day cycling experience for both urban commuting and short distance cycling Every Moment Of Riding A Bicycle Is A Direct Expression Of My True Self ★ Size: We provide high-quality products, please carefully measure your head circumference before purchasing. ★ Trendy Design: Open style half helmet design, bidding farewell to the bulky feeling of traditional helmets! Sunscreen during the day and strong light at night, effectively blocking strong light and UV rays, doubling sun protection, providing clear visibility for day and night cycling. Motorcycle/electric bike/bicycle/scooter universal! ★ Safety certification: Through DOT/ECE certification, the high-density EPS buffer layer can absorb 90% of the impact force. Suitable for both men and women, it is an ideal motorcycle helmet. Please Read The Size Chart In The Picture And Choose The Appropriate Size To Purchase (Very Important) Half Helmet With Goggles And Mask Motorcycle Half Shell Jet Helmet, Motorcycle Helmet With ECE/DOT Certification, Jet Helmets For Adults Men Women, Open Face Collision Helmet With Sun Visor, For Biker, Scooter, Cruiser 1, M = 57-58 Cm Motorcycle Half Helmet ★ Vitality Travel: Purchasing a helmet comes with retro riding goggles and a face mask for stylish travel. Woljay Vintage Open Face Motorcycle Helmet Retro Baseball Cap Half... Like an invisible eye guard, it intercepts 99% of ultraviolet radiation attacks throughout the day. DOT Approved Motorcycle Helmets: Modular Full Face Helmet For Men, ECE Certified Racing Casco, Streetfighter Motocross Casque, Lightweight Design From Ddmywonder, $161.9 If you have any questions or concerns about this product, please feel free to contact us at any time.