The Nike Trainer 1.3 Low training shoe features no-sew synthetic leather or mesh that provides a lightweight, yet supportive upper for superior strength and comfort. Max Air cushioning unit in the heel combines with Phylon and Cushlon to offer great underfoot feel and protection for everyday training. Mix of delta nodes and herringbone make the outsole ideal for multiple surfaces. Non-removable insole. Wt. 11.7 oz.