Unique, 2-tone lines of stretchy, breathable Flyknit material make up the upper. Textured upper design borrowed from couture fashion. Flywire cables are integrated with the laces for a snug, supportive fit. Tongue label inspired by space suits. Linear VaporMax logo at skin overlay on heel counter. Bouncy traction thanks to integrated lugs on the outsole. Soft, lightweight and responsive VaporMax technology for a bouncy, light-as-air feel.