Responsive Nike Zoom Air cushioning and dependable hexagonal-tread multidirectional traction make this lightweight training shoe just the thing for everything from burpees to sled pushes to planks. The FlyKnit upper is refreshingly breathable, and features flexible Flywire cable overlays that help to deliver midfoot support and stability during side-to-side movements. Style Name: Nike Air Zoom Fearless Flyknit Training Shoe (Women). Style Number: 5218660 6. Available in stores.