Versatility that's durable by design — this Stone Street Platform Mid Boot features Premium Timberland® leather in a convertible silhouette. Whether you wear it at full-height or folded over, it's unmistakably iconic, featuring an elevated rubber lug outsole that's sturdy and stylish and an OrthoLite® Impressions memory foam footbed to promote long-lasting comfort. 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