-anchored laces providing a locked-in feel and a dynamic fit that support quick changes of speed and direction. An innovative 7/8 inner sleeve stretches, rebounds and breathes to keep your footing secure as your intensity heats up.flywire 5, this updated training shoe moves with you through circuits, sprints and squats. It's built from the ground up with a wide heel and solid base to stabilize lifts and strength training, with MetconEven more breathable than the Lace-up style Training: provides stability, cushioning and uninhibited range of motion for multiple exercises and activities Stability: helps maintain comfortable foot alignment with targeted cushioning and support Breathable mesh allows ventilation of excess heat for cooling comfort Lightweight: puts cushioning and performance underfoot with an emphasis on streamlined comfort Cushioning: absorbs impact and distributes weight for consistent, buoyant comfort under each step Hyperlift removable insert fits all Metcon shoes and promotes stabilized form for squats and thrusters Textile upper/synthetic lining/rubber sole Imported