Reflective details that are strategically positioned to improve visibility when running in low-light settings: FLYTEFOAM Propel cushioning underfoot adds a more responsive rebound to your step: 3D SPACE CONSTRUCTION feature improves compression: The GT-2000 10 shoe keeps your mind and body focused on the road ahead. It's a versatile running style that's functional for various distances. This design features reflective details that are strategically positioned to improve visibility when running in low-light settings. A layer of FLYTEFOAM Propel cushioning underfoot adds a more responsive rebound to your step. The midsole's 3D SPACE CONSTRUCTION feature improves compression. This function allows you to experience a smoother and more stable ride.