The Nike Shox Monster Metal brings together the Nike Shox™ legacy and America's Pastime. Worn by Alex Rodriguez. and built for speed and comfort. Synthetic and breathable mesh upper helps keep the foot cool. Half innersleeve construction on the tongue and vamp keeps the foot centered and stable. Forefoot TPU tip adds durability. Forefoot Poron wedge in the sockliner and a Zoom Air™ unit in the footbed provides smooth cushioning. The heel features the proven and tested Nike Shox™ platform featured in the Nike Shox NZ and Nike Shox Turbo. Pebax® plate with a combination of full and 5/8-length metal cleats in the forefoot. Pebax® torsion bars offer rigidity and support. Wt. 14.6 oz.