Offered up in July 2019, the Puma NRGY Star 'Castlerock' is tooled with performance features optimized for runners. This edition is distinguished with a white mesh upper that's detailed with hits of the brand's Castlerock hue on the tongue tab and heel. Wide-set lacing reaching across the foot, down to the midsole, for a customizable lock down. Puma's NRGY foam, made from expanded TPU beads, is included for responsive comfort.