The New Balance® WRT580 is a lighter version of the classic. Performance suede and mesh uppers. Lace closure for a snug fit. Breathable mesh lining. LIGHTNING DRY® wicks moisture away to help keep your feet dry and comfortable. IMEVA (injection-molded EVA foam) midsole for firm yet flexible cushioning. Blown rubber outsole. Imported.Measurements: Weight: 9 ozProduct measurements were taken using size 8.5, width B - Medium. Please note that measurements may vary by size.