The Nike Flex TR 7 Training Shoe pairs a lightweight, breathable upper with a supportive platform designed for flexibility and traction in every direction. Inspired by Roman sandals, its design incorporates forefoot cables for a secure, locked-down fit during gym workouts. Features Mesh upper provides lightweight breathability. Cables in the forefoot provide a locked-down fit. Traction pattern allows for flexible grip in every direction. Injected unit sole (IU) material provides lightweight, flexible cushioning. Padded sandwich mesh tongue provides ventilation and helps reduce lace pressure on top of the foot.