Feels light and springy: Updated with our ultralight PWRRUN PB cushioning that takes energy efficiency to new heights. Stays with you: From a treadmill class to bootcamp, this shoeÔÇÖs slightly wider base and strategic stabilizers ensure you have the confidence to give every interval and every rep everything youÔÇÖve got. Style that works: The crafted detailsÔÇöa suede tongue, debossed logos, and hidden reflectivityÔÇömake for a truly high-performing shoe that can be worn all day. Lighter Footprint: This style is vegan and contains recycled upper materials.