Helly Hansen's best-selling mid-layer jacket in a waterproof, windproof, breathable fabric & stylish cut that will keep you warm & dry Helly Hansen Midlayer Jacket is their go-to marine all-purpose jacket. When the weather calls for added protection, this waterproof, breathable jacket keeps you warm and dry. Fully fleece lined with a warming collar and pockets for added comfort offers a little extra insulation. Embellishment friendly design with both a back neck ID race pocket and embroidery/print access zip in the liner makes this a true favourite among clubs and teams.