Adult Cycling Bike Helmet, Lightweight Unisex Bike Helmet,Premium Quality Product Features SIZE:This adult cycling helmet goes with perfect size, Head circumference 22.4-24.4in/57-62cm, head width 7inch/18cm, head length 9inch/23cm equipped with the easy-use dial system and side straps make this nutcase helmet adjustable to different head size and suitable for both men and women. VENTILATION:The bike helmet designed with 18 Air Vents ensuring optimal air flow.The adoption of specialized aerodynamic and ventilation design allow air go through the biking helmet which help increase the speed and keep stay cool. SAFETY: We follow 3 crucial steps to achieve a solid constructed bicycle helmet by first placing the exterior shell in the mould, then reinforcing it with a skeleton and finally adding the foam that will hold all the parts firmly connected, thus making sure you are safe in a case of an accident. COMFORTABLE VENTILATION:The inner pads provide comfortable wearing experience,which can be removed when you want to clean them.The specialized ventilation design allows air go through the helmet which can help increase the speed and keep cool. LIFETIME MANUFACTURER WARRANTY against defects and a PERFECT FIT GUARANTEE ensures you can order knowing that if it doesn?t fit right we?ll replace it immediately or refund your money. Take advantage of this risk-free purchase and invest in your safety?and your looks. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!