We built the original Timberland® waterproof "yellow" boots in 1973. It wasn't long before we added kids' styles to the line. These boots are made with waterproof premium Timberland® leather, a padded collar, EVA footbed, seam-sealed construction, and a steel shank designed for arch support and comfort. By purchasing this product, you are supporting Leather Working Group certified tanneries https://www.leatherworkinggroup.com/ Waterproof seam-sealed footwear includes waterproof leather for durable waterproof protection. Our waterproof footwear incorporates a variety of advanced waterproofing materials, treatments and processes. We start with waterproof leathers that are sealed as part of the tanning process; we then either seam-seal the footwear or use an internal waterproof breathable membrane to help feet stay dry. Tongues and zippers treated with durable water resistant coatings utilize integrated gussets, to further deter water entry.