Description Give your walking regimen an extra boost of energy and fashionable flair with rock&tone! The 1645's cutting-edge rocker bottom tones your muscles and burns extra calories while you walk, and the durable suede and mesh upper is based on the ever-popular 645 trail walking shoe. NB's rock&tone shoe helps you get fit and fabulous as you go through your day--you can even feel it working!
ACTEVA™ ULTRALITE premium ultra-lightweight midsole provides optimal resistance to compression set - 32% lighter than standard foam
Multi-density insert provides excellent cushioning for all-day comfort
rock&tone sole uses cutting-edge technology to tone your muscles & burn extra calories