MWL Cloudlift Lite padding. Lining: 100% leather. Outsole: 42% recycled rubber, 32% natural rubber, 26% other materials. Laces: 80% polyester, 20% cotton. Do Well: Leather sourced from a tannery that was certified by the Leather Working Group (LWG), an organization that works to promote sustainable environmental practices in the leather industry. Lightly worn leather<10 times. Selling because they’re half a size too small but I LOVE the design!