Durable and breathable - Mesh upper has synthetic overlays Dynamic, locked-in fit - Flywire cables in the forefoot Stability - Flat heel Lightweight cushioning - Injected Phylon midsole Superb grip - Solid rubber outsole Supports natural range of motion - Flex grooves are moulded into the forefoot Hit your work out at full-speed with a cross trainer that can support you during your workouts. Flywire cables in the forefoot provide a locked-in fit while the flat heel with an internal counter offers multisport stability during high-powered workouts.