Weight of a single boot (size 9): 1 pound, 14 oz. PrimaLoft® ECO insulation is crafted from synthetic fibers including a minimum of 50% PET (from recycled plastic bottles) that form a dynamic insulation structure. These compression-resistant fabrics maintain loft and retain warmth, even when wet. Our waterproof leather footwear uses waterproof impregnated properties that become part of the leather during the tanning process.We also either seam-seal the footwear or use an internal waterproof and breathable membrane to help feet stay dry. One or more major components use at least 50% leather tanned in a facility rated Silver or higher by a third-party environmental audit. The Leather Working Group judges and classifies tanneries based on energy use, waste production and water treatment. The item "NEW MEN'S TIMBERLAND 6 INCH WATERPROOF PREMIUM BOOTS A1VFN DARK GREY. SZ10" is in sale since Sunday, April 7, 2019. This item is in the category "Clothing, Shoes & Accessories\Men\Men's Shoes\Boots". The seller is "bernzville" and is located in Catasauqua, Pennsylvania. This item can be shipped worldwide.