This is a game-changer. The Air Clipper 2017 combines revolutionary technology proven Nike performance and modern style to lead the next generation of baseball cleats. Synthetic leather upper provides lightweight comfort and durability. Waterfall comfort collar lining gives you a soft comfortable fit and feel around the heel area. Flywire cables integrate into the laces for a lockdown fit without restricted movement. Forefoot perforations for enhanced ventilation. Strategically placed skins at the toe defend the abrasion. Full length Phylon midsole gives you lightweight cushioning. Ultra plush sockliner for impact protection. Geometric divots on the outsole keep dirt from clinging to your cleats. Full length Pebax plate and 9-cleat configuration provide ideal traction and proven durability. 6 full-length metal cleats and 3 smaller metal cleats in the forefoot dig into the dirt for traction. Wt. 14.7 oz.