The Nike Air Zoom Pegasus 39 is made for runners of ALL levels—from track speedsters to freeze tag champs. Chase your goals with an extra bounce to your stride thanks to our innovative Zoom Air. It’s also breathable up top and snug around the laces so you can feel cool, comfortable and confident with every mile. Comfort on the Move Engineered mesh is lightweight and breathable to help your feet stay cool, no matter how long and far you go. Flywire cables work with your regular laces for a snug and secure fit—one pull does the trick. Get Springy With It The Zoom Air unit under the front of your foot brings more bounce with every step and stride. It combines with soft foam for all the cushioning you need to go the distance. Ground Control The rubber sole has a waffle-inspired traction pattern to help grip surfaces and provide durability. The cutout grooves increase flexibility for a better transition from heel to toe. More Benefits Heel extension maximizes landing space with every step and provides extra durability for feet on the move. The padded tongue and collar lining provide extra slip-in comfort.