Changing the midsole composition of a much loved classic can be a big risk, but with the Nike Womens Air Zoom Pegasus 41 in Phantom White Mink Brown Copper Moon, updating to ReactX is a no brainer. It offers better performance with a more environmentally sustainable build. The Nike Womens Pegasus is a daily training classic, and with the new Pegasus 41, Nike have kept the dual Air Zoom build, with one in the heel for your landing, and another in the forefoot for a pop of speed at toe off. Surrounded by updated ReactX, you not only get a foam that is 13% more responsive than its predecessor, but it also reduces its carbon footprint by 43% for a pair of midsoles. The upshot is a springer, more energetic ride that is helping find solutions for our future. The signature style waffle-inspired rubber outsole offers a flexible feel to your traction, for a natural gait and confident footing. An improved engineered mesh in the upper not only decreases weight, but also helps improve breathability. Weight Approx. 251 g (8.8 oz Men's US 10) Heel-to-toe drop: 10 mm. Upgraded ReactX foam midsole with forefoot and heel Air Zoom units. Signature waffle-inspired rubber outsole for traction and flexibility. Plush collar, tongue, and sockliner for a secure and comfortable fit.