Amazon.com | Nike Men's Air Monarch IV Cross Trainer, Black/Black-White-Racer Blue, 6 4E US | Fitness & Cross-Training
Amazon.com | Nike Womens Air Zoom SuperRep 3 Training Shoes, Black/Black/Anthracite/White, 6.5 M US, Black White Black Anthracite | Fitness & Cross-Training
Amazon.com | Nike Women's Cross Training HIIT Class Shoes, Black White Black Anthracite, 12 US | Fitness & Cross-Training