Where rugged and refined style fall in step, this Women’s Stone Street Platform Kiltie Boot combines a delicate hue with the durability of Premium Timberland® leather, featuring a ReBOTL™ fabric lining containing 50% recycled PET plastic. An OrthoLite® Impressions memory foam footbed and steel shank help provide cushioning and arch support, and a rubber lug outsole helps promote traction. 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. Regenerative materials have been sourced from farms and forests which are managed using regenerative agricultural practices. This method encompasses a variety of practices which aim to help promote biodiversity, enhance water cycles, improve soil health, and sequester carbon. Some commonly implemented practices include reducing chemical inputs, integrating cover crops, and reducing soil disturbance. For more information related to specific materials, please visit https://www.timberland.com/en-us/responsibility