New Balance Sydney's Signature Collection FuelCell SuperComp MDXv3

This middle-distance racing spike is designed for ultra lightweight, innovative performance on the track. Best for Track and Field Features FuelCell foam delivers a propulsive feel to help drive you forward Full-length external carbon fiber plate with six built-in pins for a blend of propulsion and traction Part of the Sydney Signature Collection   138.3 grams (4.9 oz) Material Lightweight synthetic knit upper with strategic internal reinforcement Style #: UMDELRMS Adjustable lace closure for a customized fit Size & Fit Guide