The Antarctic Extreme Down Jacket is a high performance, winter jacket. Tested to keep you warm in temperatures as low as -60c. Fully waterproof, breathable, with taped seams and fur trim hood - you're sure to stay snug and dry in extreme cold. Guaranteed waterproof - with taped seams and our isodry fabric with a waterproof and breathable membrane to allow perspiration out, but keep you dry. Rated at 5,000mm waterproof, 5000mm breathable down - 75% duck down and 25% feather make this jacket extremely warm downproof lining - stops feathers and the filling of the jacket from poking through hood - adjustable for a close fit, detachable for dry days, and a faux fur trim for extra warmth adjustable waist - elastic cord with plastic toggles lets you draw the waist in for a better fit inner rib cuffs - adjustable cuff with a velcro strap and an inner ribbed cuff for warmth and comfort- also helps prevent water from getting in at the cuffs lots of pockets - one internal mp3 player/mobile phone pocket, four front zipped security pockets, and two large front popper pockets heat rating - laboratory tested to -60c. Health & physical activity, exposure time & perspiration will affect performance & comfortwaterpoof isodry: 5,000 waterproof 5,000mm breathable breathable down filled adjustable fit part of the mw extreme clothing range guaranteed waterproof for 3 years.