Fidelio Women's Hallux Fabia Bunion Relief Slide Dress Sandal 33517 (Black) Leather Fidelio of Linz, Austria Stretchable Hallux insert helps reduce pressure on the bunion. Easy to adjust double velcro straps over in-step for a customized fit. Removable insole accommodates custom orthotics. Anatomically designed insole provides arch and metatarsal support.