Dial the perfect fit and adjust it as much as you need to throughout your run with the BOA® PerformFit™ Wrap Configuration system. A Vibram® Megagrip outsole delivers the grip while a cushioned midsole is designed for a little extra bounce and a plush feel. With zero drop and a roomy toe box, you get plenty of room to help your toes move more freely, with a secure midfoot, so you can make dust clouds. Jump rocks. Run forever