Nike Air Zoom Pegasus 41 pairs dual Air Zoom units with a ReactX foam midsole to deliver lightweight energy return and responsive cushioning for everyday road running. Key attributes: Astronomy blue | Black | Baltic blue | Hot punch | Engineered mesh | Responsive cushioning | Lightweight energy return | Breathable upper | Reliable traction | Dual Air Zoom units (heel and forefoot) | ReactX foam midsole for energized rebound | Flexible rubber outsole for natural toe-off | Engineered mesh upper | Lace-integrated midfoot band | Waffle-inspired rubber outsole pattern | Dimensions & fit: Wider forefoot and heel than previous model | Secure midfoot band provides a locked-in, but forgiving fit | Composition & care: Engineered mesh upper | ReactX foam midsole | Dual Air Zoom units (air) | Rubber outsole | Wipe clean with a damp cloth; allow to air dry at room temperature.