Responsive cushioning in the winterized Pegasus provides an energized ride for everyday road running, day or night. Experience lighter-weight energy return with dual Air Zoom units and a ReactX foam midsole. Plus, reflective paint on the upper lights up your route. Key Features * Upgraded breathable engineered mesh upper * ReactX foam midsole surrounds forefoot and heel Air Zoom units for an energized ride. * Signature waffle-inspired rubber outsole for traction and flexibility * Plush collar, tongue and sockliner for a secure and comfortable fit * What's new? All-new ReactX foam midsole is 13% more responsive than previous React technology. * Crafted for performance and planet, ReactX foam is engineered to reduce its carbon footprint by at least 43% in a pair of midsoles due to reduced manufacturing process energy compared to prior React foam. The carbon footprint of ReactX is based on cradle-to-gate assessment reviewed by PRé Sustainability B.V and Intertek China. Other midsole components such as airbags, plates or other foam formulations were not considered. Product Details * Reflective Swoosh logo, overlays and laces * Not intended for use as Personal Protective Equipment (PPE) * Weight: Approx. 251 g/8.8 oz (Women's US 8) * Heel-to-toe drop: 10 mm * MR-10 Last - Our best, most consistent fit (same as Pegasus 40)