AIR ZOOM PEGASUS 42 US Size:10 Power through your workout with Under Armour>Men>Accessories & Equipment>Backpacks Power through your workout with the Nike Everyday Cushioned Socks Fit feels like your classic tee that's not too loose and not too slim We updated the fit to give you a little extra room at the toes and forefoot compared to the 41 Greater toe spring than previous model due to an updated silhouette that increases the curve of the toe box Full length Air Zoom unit compared to forefoot and heel Air Zoom units in previous models We sculpted our full length Air Zoom unit to deliver a propulsive feel and Nike's highest energy return from heel to toe off