The giro disciple mips full face mtb helmet is built around the astm 1952 dh standard to meet the demands of freeride downhill and enduro it has a fiberglass shell plush interior padding and vented brow ports for comfort vinyl nitrile padding along the jaw line contributes to impact management in this critical area and the integrated breakaway povtrade camera mount plus built in speaker pockets let you dial in your sound and images i