The Endura Hummvee Youth Helmet is an excellent Mini Ripper Mountain Bike Lid. Incredibly lightweight and safety certified, this helmet not only looks great but provides excellent comfort and security.   Endura Hummvee Youth Helmet Features Lightweight versatile design Removable visor One hand micro-adjustment fit system Covered by Endura’s Crash Replacement Policy and Endura Product Guarantee Certified to CE Standard EN1078 + A1 02/2013 One size, fits head circumference 51-56cm