evo.com | Giro Bike Helmets > The Giro Tremor MIPS Bike Helmet features the tried-and-true MIPS rotational impact protection system, helping them stay safe on the trail, even when they zoom out of sight. CE EN 1078 Roc Loc(R) Sport Fit System Offers easy one-handed operation with a 7cm adjustment range. Its confident clicking feel and sound lets riders know that the helmet is adjusting to a comfortable fit. With comfort similar to Roc Loc 5 and ponytail compatibility, the new Roc Loc Sport fit system brings premium function to sport level helmets. Mips(R) System 18 Vents for Breathability Material Composition 57% EPS; 14% PC; 1.3% Nylon; 15% PP; 1% POM; 2.6% PU; 6% Polyester; 2.6% Fiberglass | Kid's Giro Tremor MIPS Bike Helmet 2026 - Universal Child in Pink | Nylon/Polyester