Leather Upper. Removable Leather Covered EVA Footbed. Durable Rubber Outsole.Received APMA (American Podiatric Medical Association) Seal of AcceptanceYOUR NEW FAVORITE SHOES: Brok is a casual, at leisure lace-up in the season's staple shades, with 'V' perforation accent for a simple splash of style.VIO MOTION SUPPORT is concealed within every Vionic shoe, supporting every step from the ground up so you can confidently move in unmatched comfort. Full biomechanical contact hugs your foot's natural curves, providing essential support in all of our casual, dress and active shoes and slippers.