Compared with Pegasus 39, Pegasus 40 is mainly improved in the upper material, with a tough yarn outer and inner mesh design, which provides better stability, durability and a comfortable fit. In terms of midsole technology, the Pegasus 40 continues the configuration of the Pegasus 39, including full-palm React foam and dual zoom air cushions on the front and rear palms. In addition, the Pegasus 40 strikes a good balance between softness and stability, while reducing the amount of sponge filling inside the tongue and enhancing the wrapping of the midfoot for a more comfortable fit. Overall, the Pegasus 40 has been improved in terms of functionality and appearance, making it suitable for daily training needs and running enthusiasts.
The Nike Pegasus 40 has significant improvements over the Pegasus 39, especially in the upper material. It is made of a new durable and breathable material, making the shoe suitable for a variety of training needs and very popular with runners. The Pegasus 40 retains the core features of the Pegasus 39's full-palm React foam and Zoom Air cushion, while striking a good balance between softness and stability for improved wearing comfort and fit. This makes the Pegasus 40 a versatile choice for both novice and experienced runners, combining style with performance.