The Black BILLY Goat is the foundational all-black build of BILLY's most AFO-friendly shoe - a CPMA-approved collaboration with Boston Orthotics & Prosthetics. Two removable 3mm insoles and a wedge insert adjust the internal depth for braces and custom orthotics, and the short wrap zipper makes donning and doffing simple. Two removable 3mm insoles and a wedge insert for adjustable depth Short wrap zipper closure for easy donning and doffing Functional laces for a secure and adjustable fit Thick knit polyester fabric upper lining for abrasion resistance Double-layer toe cap for increased durability Imported. Engineered for braces and orthotics. The Goat ships with multiple removable insoles (two 3mm insoles plus a wedge insert) so you can adjust internal depth around an AFO, a custom orthotic, or a higher-volume foot, and it comes in multiple fit widths. A reinforced polyester knit lining stands up to daily brace contact, and the clinician-adjustable outsole lets a practitioner fine-tune support.