Nike Pegasus 41 road running shoe for men. The responsive cushioning in the Pegasus ensures an energetic running feeling during daily road runs. Two Air Zoom elements and a ReactX foam midsole ensure optimal energy return with less weight. The specially developed mesh in the upper makes the shoe lighter and increases breathability. Hello, ReactX The new, specially developed upper material is made of breathable mesh. Lift off with zoom The ReactX foam midsole surrounds the Air Zoom elements in the forefoot and heel for an energetic ride. Wider and better: The rubber outsole is inspired by the legendary waffle profile and improves both traction and flexibility. Lightweight and breathable. Soft collar tab and insole for a secure and comfortable fit. Embraces the foot. Innovations. The brand new ReactX foam midsole is 13% more responsive than previous React technology. ReactX foam is designed with a focus on performance and the planet. The carbon footprint of two midsoles is reduced by at least 43% as less energy is required in their production than in the production of the earlier Nike React foam. ReactX's carbon footprint is based on a cradle to gate assessment conducted by PRé Sustainability B.V. and Intertek China. Other midsole components such as airbags, plates or other types of foam have not been considered. Weight: approx. 10 oz (men's shoe size 10) Drop: 10mm MR-10 last for our best and most consistent fit (as on the Pegasus 40). Not for use as personal protective equipment (PPE)