SPY 38F555308 K Icebox Hat

Interlining: Porelle® Membrane

Interior waist drawcord for adjustable fit and 7" (17 cm) ankle zips

A full-length Pebax Rnew Distance Plate promotes maximum efficiency for long-distnace track races

New Balance Unisex FuelCell MD-X v2 *SALE* Size:8 SPY 38F555308 K Icebox HatEnjoy ultra lightweight, innovative performance with the New Balance FuelCell MD X. This shoe features an updated engineered knit upper for ultimate weight savings. Stacked with engineered technology such as FuelCell foam and a carbon fiber plate, this high performing running shoe delivers a propulsive feel and performance ready style on middle distance track races. FuelCell foam delivers a propulsive feel to help drive you forward Bootie knit upper