Description: Design of the detachable brim, our product can protect your eyes effectively while it can prevent loss owing to the anti-theft hole design. Wearing our product can protect your head effectively because it adopts the PC to cover between the inner layer and the outer shell. And it can prevent crack by the one-piece design. And it also can resist impact effectively to ensure your safety. It is made from EPS and PC, is wearable to use. There are three sizes of the product to choose from. The helmets is suitable for outdoor riding Item Name: Helmet Material: PC,EPS Features: Anti-crack, Breathable, Shock Absorb Applicable People: Unisex Color: Navy Blue, Sky Blue, Pink, White, Black Size: M, L Size Details: [Our Size M] Head Circumference: 54cm-58cm/21.26"-22.83" (Approx.) [Our Size L] Head Circumference: 58cm-63cm/22.83"-24.8" (Approx.) [Our Size M]: 26cm x 15cm/10.24" x 5.91" (Approx.) [Our Size L]: 27cm x 15cm/10.63" x 5.91" (Approx.) Notes: Please refer to our size chart and choose the right size. Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Package Includes: 1 x Helmet