Description: Product Description Features: 1.Super tough, won't deform or break under strong impact. 2.Suitable for all kinds of Outdoor activitiesthe bottom diameter greater than 55MM 3. Strengthen the foam to protect the head: high-strength hard shell protection, high elastic and comfortable foam 4. EPS lining double-sided goose down lining strip, soft texture, penetration resistance, high-speed impact resistance, effective protection 5. perfect streamline, easy to carry, light weight, suitable for road bike and mountain bike. Specifications: product Specifications:: Material: EPS Size: head length 22cm, head width 17cm, depth 8cm Head circumference: 58-62cm Size: L One Size Applicable age: adult Applicable gender: neutral/male and female Applicable scenarios: roller skating, balance bike, skating, bicycle riding, etc. Colour: Black Very suitable for triathlon training Package Included: 1*Riding drop helmet Notes: 1. Measurement of the item lying on the table may cause slight difference. 2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness when photo taking. Thank you for your understanding Thank you for browsing our shop. If you need to buy our products, please contact us. You can also bookmark the shop. If the shop has new product releases or discounts, we will notify you in time.