![Amazon.com | Nike Men's Flex Control TR4 Cross Trainer, Black/White-Dark Smoke Grey-Smoke Grey, 7 Regular US | Fitness & Cross-Training Amazon.com | Nike Men's Flex Control TR4 Cross Trainer, Black/White-Dark Smoke Grey-Smoke Grey, 7 Regular US | Fitness & Cross-Training](https://m.media-amazon.com/images/I/81r5BDuVz2L._AC_UY1000_.jpg)
Amazon.com | Nike Men's Flex Control TR4 Cross Trainer, Black/White-Dark Smoke Grey-Smoke Grey, 7 Regular US | Fitness & Cross-Training
![Amazon.com | Nike Men's Flex Control TR4 Cross Trainer, Black/White-Dark Smoke Grey-Smoke Grey, 7 Regular US | Fitness & Cross-Training Amazon.com | Nike Men's Flex Control TR4 Cross Trainer, Black/White-Dark Smoke Grey-Smoke Grey, 7 Regular US | Fitness & Cross-Training](https://m.media-amazon.com/images/I/81VJheti9bL._AC_UY300_.jpg)
Amazon.com | Nike Men's Flex Control TR4 Cross Trainer, Black/White-Dark Smoke Grey-Smoke Grey, 7 Regular US | Fitness & Cross-Training
![nike women's flex adapt tr cross training shoe, dark grey/white/black/stealth, 11 b(m) us - Walmart.com nike women's flex adapt tr cross training shoe, dark grey/white/black/stealth, 11 b(m) us - Walmart.com](https://i5.walmartimages.com/asr/51458efd-007b-45e5-a27e-ee649815c40e.ae40253f8a7cede84911a1fbb4b52368.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)