Troy Lee Designs A2 MIPS Decoy - Orange - Gray The all-new for 2017-A2 helmet redefines mountain bike safety, style, comfort and ventilation. The first helmet in its class to combine EPP (for slow speed impacts) and EPS (for high speed impacts) in one sleek package, that will set a new benchmark for mountain bike helmets. FIT KIT VENTILATED HELMET STORAGE BAG STICKER KIT 3 YEAR WARRANTY 350 GRAMS ( SIZE M/L ) MEETS OR EXCEEDS: CPSC 1203, CE EN 1078, AS NZ 2063:2008