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 decreases weight and increases breathability. 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:Weight: Approx. 297 g/10.4 oz (Men's US 10). 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). Style: FZ5137; Color: Team Crimson/White/Black/White; Size: 8.5; Gender: Male; Age Group: Adult | Oklahoma Pegasus 41 Men's Nike College Road Running Shoes in Red, Size: 8.5 | FZ5137-600