Bell Span Blend Helmet Protect Ya' Neck The Span Blend shows up on the scene with a modern twist on skate and BMX style, giving younger riders a slimmer, more compact profile without sacrificing protection. Designed to fit tight and right, this helmet eliminates the "mushroom" look common with youth helmets while providing a secure feel that boosts confidence at the skatepark or on the street, whether they're hitting dirt jumps or cruising the neighborhood. Features Dual-certified for cycling and skate use, complying with US CPSC Bicycle Safety Standards and ASTM F1492-08Action Fit(TM) dial-adjust system provides a personalized, secure fit with a simple turn of the dial10 strategically placed vents for high-volume airflow that keeps riders cool during active sessions Rugged ABS hard plastic shell with an EPS foam liner for effective impact energy management Slim, updated compact shape sits closer to the head for a modern, low-profile fit Lightweight construction delivers heavy-duty protection without excessive weight for younger riders SPECIFICATIONSShell ABS hard plastic with EPS foam liner Closure Action Fit(TM) dial-adjust system Vents10Certification CPSC Bicycle Safety Standard, ASTM F1492-08 (Skate), CE EN1078Sizing - General Adult Bike Size Head (cm)S52-56M56-58L58-60XL60-62XXL62-64General Youth Size Head (cm)Universal Child48-55Universal Youth51-58XS49-53S51-55 | Bell | Span Blend Helmet | Size Extra Small In Sunburst