K2 Entity Helmet - Junior's: Durable Progressive Junior Style With its simply fun style and reliable performance, the Entity has the stamp of approval from groms and parents alike. K2's K2Dialed Fit System is easy to use and optimized for custom comfort even as your kid's noggin keeps growing - plus, the Entity's full wrap liner is easily removed and sashed for season-to-season shredding. TECHNOLOGY Hard Shell - Hard-Shell helmets are built to last and will look good no matter how many trips they make in and out of your gear bag. Hard-Shell helmets protect you from impact thanks to lightweight EPS foam bonded to an injection molded and durable ABS shell Passive Channel Venting - Channels on the inside surface of the EPS direct air-flow between your head and the helmet, removing moisture and excess heat for all day comfort Full Wrap Liner - A comfortable, washable, full-coverage, breathable liner design that wicks away moisture to prevent overheating and seamlessly integrates fit and audio systems K2Dialed - The K2Dialed Fit System creates a custom-fitting helmet no matter what your head shape. An ergonomically inspired three-point adjustable interface maximizes fit and customization with the twist of a dial. This allows for the ultimate convenience of being able to make fit adjustments on the fly Bike Certified - Certified by North American bicycle helmet safety standard and European bicycle and skateboard helmet safety standard