Upper material: Majority leather W/synthetic. Inner material: synthetic. Heel shape: no heel. Shoe width: wide. Water resistance level: waterproof. These are Women's Timberland Linden Woods 6 Inch Lace-Up Waterproof Boots in black. They feature a premium Timberland Leather upper with 200g of PrimaLoft insulation, a lace-up style, and a padded collar. For support, they include a steel shank for arch support and an OrthoLite comfort foam footbed. The boots are seam-sealed and waterproof, with a durable rubber lug outsole. Reference number: A156S0011.