Urge down o maticthe down o matic helmet is made from urges unequalled technology of glass fibre linen composites the helmet becomes one of the lightest high end helmets on the market the smallest details were studied to come up with what urge consider to be the perfect helmet to enjoy safely and comfortably while dh riding featuresshell 80 glass fibre 20 linen fibre10 ventsremovable and washable padsdouble d looptravel covercertificates en 1078 cpsc 1203 astm f1952 asnzs 2063weigh