The Retro Runner is a vintage-inspired silhouette modernized with cutting-edge, sustainable materials. Shown here in Breeze—a true, light-grey hue—it has an LWG Silver-certified leather and suede upper and custom Koio ReCycled™ sole that provides comfort and flexibility through every step. Handmade in Marche, Italy Constructed from LWG Silver-certified Italian leather and suede (Cow) Lined with LWG Gold-certified Italian leather (Cow) Set on a Koio ReCycled™ [68 TPU] outsole and Koio ReCycled™ [30 EVA] midsole Tightly stitched for water resistance Threaded with cotton laces Fitted with a removable OrthoLite® Hybrid insole ::Tab:: LWG Silver & Gold-certified leather & suede: This sneaker is made from leathers and suedes that are Silver and Gold-certified by the Leather Working Group (LWG), meaning they're responsibly tanned in facilities that safely and carefully manage emissions, energy and water consumption, and waste. Recycled materials: This sneaker has a Koio ReCycled™ [68 TPU] outsole, 68% of which is recycled TPU from neighboring factories in Italy. It also has a Koio ReCycled™ [30 EVA] midsole, 30% of which is recycled EVA. It's fitted with an OrthoLite® Hybrid insole made with recycled foam and rubber from previous production processes. ::Tab:: Fits true to size. Take your normal US size. Only available in full sizes. Go up to the nearest whole size if you wear a half size. Width B - Standard Width can be adjusted by tightening/loosening the laces. Not sure of your size? Reach out to our team for a recommendation .