Waterproof nubuck leather upper sourced from Silver-rated tannery Seam-sealed construction PrimaLoft® ECO insulation Padded leather collar for added comfort around the ankle Lace-up closure Materials for design sourced with sustainability in mind EVA insole softens impacts underfoot Rubber lug outsole offers sturdy grip and traction Built to last, the Timberland 6-Inch Premium Waterproof Boot offers hard-wearing waterproof performance and original work boot styling. Highlights for this ultra-durable boot include down-free PrimaLoft® ECO insulation, comfortable padded collar, and rubber lug outsole. Product Code: TB1100730011