Moose knuckles Dugald Cobalt PufferDETAILS Keep warm in the coldest of conditions with the Moose Knuckles Dugald Black Puffer. This heavy duty jacket boasts a protection rating of Level 3: Crazy Cold, and features a down filled collar, 1 way open Vislon zipper, and welt pockets to keep you warm and comfortable. With interior zipper patch pockets, an MK puff patch on the sleeve, and an elastic binding at the cuff and waistband, you can stay comfortable and stylish. Heavy and durable,