evo.com | Fox Racing Bike Helmets > Maximum protection meets modern innovation in the Fox Racing Speedframe RS Bike Helmet, featuring exclusive MIPS(R) Integra Split technology and dual-density impact foam. From the BOA fit system to integrated sunglass ports, every detail elevates your ride with next-level safety and dialed-in comfort. Ranked #1 by Virginia Tech's 5-star helmet rating. Race Spec (RS) Construction Fox's RS constructions yield lighter weight and ultra-breathable performance to meet the elevated demands of racers. 38% EPS / 34% Polycarbonate / 22% Nylon / 4% Polyester / 3% POM BOA(R) Fit System A micro-adjustable precision fit, coupled with a four-step adjustable cradle to accommodate any head size and shape. Ranked #1 by Virginia Tech 5-Star Helmet Rating Sunglass-Specific Storage Solution | Fox Racing Speedframe RS Bike Helmet 2025 - Small in Blue | Nylon/Polyester