Men's Billy Goat Wide racing custom-like fit as you chase

custom-like fit as you chase your next personal best or tackle high-intensity intervals

you’ll stay energized and hydrated without being weighed down

rapid and flush

and breathability thanks to strategically-placed mesh inserts

The all-purpose Prio is Xero's #1 selling shoe

Men's Billy Goat Wide racing custom-like fit as you chaseStep In! to innovation. Made in collaboration with Boston Orthotics & Prosthetics, the Men's Black to the Floor BILLY Goat AFO Friendly Shoes are sure to provide the functional solution you have been looking for. Along with the short wrap zipper for convenient donning and doffing, the following characteristics set the Goat apart making it our most AFO friendly solution: Two removable insoles (3mm each) and wedge insert for adjustable depth and use of