Trek Little Dipper MIPS Bike Helmet 76868222087 Designed to help protect the young cyclist in your life, the Little Dipper toddler helmet features a built-in visor and easy-to-use magnetic buckles with a kid-friendly fit. It's perfect for little ones riding in a trailer, a child carrier, or all on their own. Features Dialed fit system provides a secure and comfortable fit Adjustable helmet straps provide a clean look with easy fit management Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership Helmet meets ASTM standards - their tests use a smaller mass headform that's more realistic to younger riders In-molded EPS shell with full coverage designed for protection and durability Complies with U.S. CPSC safety standards for bicycle helmets for persons age 1 and over Fidlock magnetic buckle fastens effortlessly for a quick, kid-friendly fit Soft, removable helmet pads that are easy to clean Trek Little Dipper MIPS Bike Helmet