Ebay offers Adidas Women's Duramo SL 2.0 Shoes for $21 (reg $70) with free shipping.

Product Description:
From a morning session at the yoga studio to a day of errands to an evening with friends, keep your feet comfortable and your style on point in these adidas shoes. Pair them with your favorite tights for the ultimate athletic-casual vibe. A mesh upper helps you stay cool, while superlight cushioning cradles every step you take. Made with a series of recycled materials, this upper features at least 50% recycled content. This product represents just one of our solutions to help end plastic waste.