FLEXIBILITY MEETS DURABLE STABILITY. Emphasizing lightweight comfort and stability, the Nike Flex Control 4 is tailored to explosive workouts. Its lightweight, flexible upper has a midfoot strap for stability, while the sole has deep flex grooves to let your foot move naturally. Lightweight Support:Abrasion-resistant mesh is lightweight and breathable to help keep your feet comfortable. Sturdy Stability:Rubber on the side of the forefoot gives you support during side-to-side movements. The laces tug down on the strap to hold your foot while you move. Natural Movement:Nike Flex sole lets your foot move naturally. Textured rubber tread outlines the sole for durable traction and stability. [] Style: CD0197; Color: Light Smoke Grey/Smoke Grey/Dark Smoke Grey/Black; Size: 8.5; Gender: Male; Age Group: Adult | Nike Flex Control 4 Men's Workout Shoes in Grey, Size: 8.5 | CD0197-001