Ski Helmet, Gonex Winter Snow Snowboard Skate Helmet with Safety Certificate for Men, Women & Young, Matte Black M SizeCategory: Berkeley Black HelmetSki Helmet, Gonex Winter Snow Snowboard Skate Helmet with Safety Certificate for Men, Women & Young, Matte Black/ White/ Camouflage, M/L Size Features: 1. Strong Anti-Shock Ability: In-mold polycarbonate durable hard shell and shock-absorbent EPS interior provide your head with safe protection.2. Adjustable Size& Ventilation System: The size adjustment dial in the back enables the helmet perfectly fit your head. And there are 4 individual and adjustable vents on the top with regulator and 4 cool vents on the back, dispersing excess heat for superior comfort in a variety of situations and conditions.3. Removable Inner Liner& Ear Pad: Equipped with detachable and breathable thickened plush inner liner, removable ear pads, soft chin strap, giving you a warm and comfortable skiing experience.4. Humanized Design: Lightweight construction (weights only 0.90 lbs for Medium, 1.01 lbs for Large); Quickly-unlock buckle with only one click ; Seamlessly compatible with all Gonex goggles.5. Safety Certification& 1- Year Warranty: Gonex ski helmet is ASTM F2040-11 certified and we offer you with 1 year warranty and friendly customer service.Gonex Ski Helmet with Certified Safety for Men, Women & Young 3 Color 2 Size Choices Our Gonex Ski Helmet is an amazing fit for snowfield sports enthusiast. It is made from hard durable shell with strong anti-shock ability, offering an excellent skiing or skate experience without hurting and cold weather. Thanks to the 4 top individual and adjustable venting and the comfortable chin pad, it would be "Cool" in skiing.*Note: 1. Position the helmet low enough in the front to protect the forehead and not leave a goggle gaper gap, but not too low that goggles push down on the nose.2. Chinstrap buckle should be fastened and the strap pulled snugly before skiing.Specifications: Color Choices: Matte Black / Matte White / Matte CamouflageSize Choices: M / LNet Weight:M: 410g/0.90lbL: 460g/1.01lbShipping Weight:M: 620g / 1.03lbL: 670g / 1.08lbSize:M: 55-58cm / 21.56-22.83inchL: 58-61cm / 22.83-24.02inchPackage Dimensions:28x23x22cm / 11.02x9.06x8.66 inPackage includes: 1 X Gonex Ski HelmetReturn policy: We strive to ensure complete customer satisfaction with every transaction. If you have any quality problem with the product within 90 days after purchase, you could contact us for a refund or replacement. 1-2 inches error of the measuring is a reasonable range due to different measurement methods. Pls confirm the size according to our description instead of the photos. Return by Dimensions problem is not accepted. If return for size, color, material or other reasons that not caused by quality problems, we're sorry that customer has to charge the return shipping cost. Items must be returned in the original manufacturer's packaging. We strongly recommend you keep your packaging for at least the first 90 days after purchase.