Built for the hardest jobs and toughest environments, the Premier 8'' work boot is built with ULTRADUTY Technology, and is also waterproof with 400 grams of insulation. No matter the working conditions, the Premier will keep you dry and safe on the job. This work boot also features composite toes and is electric hazard with extreme slip resistance. If you are looking for the boot that does it all, look no further than the Premier. The Premier Work Boots features: Full grain leather or nubuck upper, nylon mesh lining + 400G Thinsulate, open cell PU foam sock liner, T 1200 outsole and cement - Goodyear welt construction. Material: Leather.