Bell: ADVENTURE SEEKER With more all-around coverage and optional MIPS protection, the Sidetrack II is suited for the adventurous grom in your life. This all-mountain helmet offers a removable visor, an easy adjustable fit system, our sweat guide padding, and ready-for-action style that will get your child motivated to hit the trail! CERTIFICATIONSCPSC Bicycle, CE EN1078VENTS:14CONSTRUCTIONFusion In-Mold Polycarbonate ShellFIT SYSTEMErgo Fit™ (integrated with MIPS)OTHER TECH AND FEATURESSnap-In VisorNo-Twist Tri-Glides™Sweat Guide™PinchGuard Buckle™MIPS®WEIGHT300gSIZESUniversal Child 47–54 cm