The new Sigma Aria strikes a unique balance of speed and endurance

The adjustable hood with stretch binding and waterproof front zipper keep you covered

Versatile pockets and zips keep the elements out and important things in

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

Whether you're a seasoned runner or someone who values comfort in everyday life

New Balance Unisex FuelCell MD-X v2 *SALE* Size:8 The new Sigma Aria strikesEnjoy 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