Timberland Tree Vault 6 Inch Boot in green has a high-quality upper made of premium Better Leather, which is environmentally friendly. The boots offer solid ankle support and classic work style. They are seam-sealed and waterproof, with a lightweight OrthoLite® insole for comfort. The GreenStride™ outsole contains 75% renewable materials and provides great traction in rainy weather or changing spring or autumn seasons.