Turn up the heat on your next workout in the Nike® Flex Supreme TR4 training sneaker!Breathable mesh and synthetic upper materials. Lace-up closure. Thin comfort tongue.Slightly padded collar. Breathable fabric lining offers a great in-shoe feel. Removable molded insole. Soft Phylon core midsole with articulated Phylite carrier. Rubber outsole. Imported. Measurements: Weight: 6 ozProduct measurements were taken using size 7, width B - Medium. Please note that measurements may vary by size.