* The Whaleback Waterproof Jacket is the protection you'll need when it's colder than Hell. Hell, Michigan, that is. A few winters back it froze over, setting a windchill record of -27°F. There's no better way to stay warm than our improved Whaleback Waterproof Jacket. Named for the whaleback steamers that once shouldered aside wind, sleet and snow on the Great Lakes, this jacket is tough enough for any job without sacrificing the mobility you need. The 4x-stronger nylon shell is windproof…