FuelCell SuperComp MD-X v3 in-store only Great for day hiking but

Great for day hiking but burly enough for a multi-day backpacking trip

we've simplified sock sizing without making any sacrifices to the way your sock or its compression level fits

- Three white lighting levels: MAX BURN TIME

tire-inspired tread underfoot

We’ve employed a composite plate that doubles as both a midsole propulsion plate and outsole spike plate

FuelCell SuperComp MD-X v3 in-store only Great for day hiking butThese track spikes are built to maximize propulsion and efficiency for middle to long distance track races. Features FuelCell foam delivers a propulsive feel to help drive you forward Carbon fiber plate with removable spike pins Lightweight airy mesh upper with bold sublimation details 175. 2 grams (6. 2 oz) Material Lightweight synthetic material