Provide your feet with a comfortable ride in the Nike Shox R4. Designed for day-to-day use, these durable shoes feature ultra-responsive cushioning to keep you on your feet longer without any worries. Features include a leather and/or synthetic upper, a lightweight Phylon™ midsole with flexible Air-Sole® unit for cushioning, Nike Shox™ technology for a responsive ride and a BRS 1000™ carbon rubber sole for traction. Wt. 14.9 oz.