The Nike Trainer 1.3 Mid training shoe features a leather and mesh upper with Flywire that provides superior support. New forefoot strap offers increased lockdown. Full-length Phylon midsole with a visible Max Air unit in the heel. Solid rubber versatile outsole. Delta nodes in the forefoot give multi-surface traction and modified Waffles in the heel add cushioning. Wt. 12.4 oz.