This light-weight Coverall Storm Cag is made from Rip Stop Nylon with Stitched and taped seams.  Easy to get in and out of, it dries very quickly. Large enough to fit over you and your other layers. Packs up small to fit in your bag and is light-weight and easy to carry.  It is has an adjuster to fit most keyhole decks to add that extra layer of warmth for emergencies.  One size fits all.