For the gal who works out hard and appreciates looking good while doing so, there is the sleek, lightweight W1600 from New Balance. ; Part of the Heidi Klum for New Balance line. ; Breathable air mesh upper with synthetic overlays. ; FantomFit mesh upper cuts redundancy by using a skeletal frame. ; Designed to provide a glove-like fit. ; REVlite midsole offers superior responsiveness and durability at a 30% lighter weight than other foams with comparable performance. ; Differential: 8 mm ; Blow rubber outsole for reliable grip. ; Built on a NBJ last, which features reduced volume in the toe box width and depth, a lower instep height, and standard heel width. ; Imported. Measurements: ; Weight: 5 oz ; Product measurements were taken using size 8.5, width B - Medium. Please note that measurements may vary by size.