Crafted like a classic. The Women's Timberland® Authentic Mule is inspired by timeless style, made in a vintage suede. The traditional handsewn construction is crafted with Premium Timberland® leather to help deliver the durability you depend on. Inside is a ReBOTL™ fabric lining made from at least 50% recycled PET plastic and an OrthoLite® footbed that helps your feet breathe and stay comfortable. By purchasing this product, you are supporting Leather Working Group certified tanneries https://www.leatherworkinggroup.com/ The ReBOTL™ material used in Timberland® apparel contains at least 40% recycled PET (recycled polyethylene terephthalate, the stuff plastic bottles are made of). The ReBOTL™ material used in Timberland® footwear and accessories contains at least 50% recycled PET. (Excepting trace materials) OrthoLite® comfort foam insoles are lightweight, provide moisture transport, antimicrobial function, and long-term cushioning. The ultra-breathable material won't break down or lose cushioning over time, keeping your footwear comfortable and supportive.