Just purchased these new without box on Posh and they are a size too big for me. I think they are true to size — I usually wear 7.5 but wanted to try these because they are so cute. Product details: Vionic Amy Women's Wedge Sandal. A closed-toe, jute-wrapped platform wedge with textured textile uppers, adjustable ankle straps and a metal buckle detail—espadrill-icous! Vionic footwear is stylish and comfortable and incorporates a podiatrist designed biomechanical footbed for support. Features & Benefits of the Vionic Amy Women's Wedge Sandal Uppers: Textile. Footbed: Man-Made. Outsole: Jute Wrapped Midsole and Rubber Outsole. Heel Height: 2.52 inch Platform Height: .47 inch Biomechanically designed to hug your arches, Vionic Technology helps support natural alignment from the ground up. Within one to two weeks you should find the product Full-contact support hugs your foot curves. Heel seat stabilizes and positions foot. Ball-of-foot cushioning for all-day comfort. Vionic's Elevated Support technology helps you walk and stand in comfort throughout the day - even in heels and wedges