Responsive cushioning meets Air Zoom units for an energized ride. Responsive cushioning in the Pegasus provides an energized ride for everyday road running. Experience lighter-weight energy return with dual Air Zoom units and a ReactX foam midsole. Plus, improved engineered mesh on the upper helps decrease weight and increase breathability. Engineered Mesh Upper Lightweight, breathable mesh on the upper strikes the ideal balance between comfort and containment. ReactX Foam Midsole Two Air Zoom units, at the forefoot and heel, combine with soft, durable ReactX foam for a smooth, responsive ride. Waffle-Inspired Traction Our signature waffle-inspired rubber outsole provides durable traction and flexibility. Plush Padding Padding on the collar, tongue and sockliner help give you a secure and comfortable fit. What's New? * Mesh upper is lighter and more breathable for increased comfort * ReactX foam midsole is 13% more responsive than previous React technology * Wider forefoot and heel help provide stability * Increased stack heights at the forefoot and heel add extra cushioning Product Details * 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) * Reflective details * Not intended for use as Personal Protective Equipment (PPE)