A winter pack isnt complete without an insulating layer and with the snow fast approaching regattas icebound ii is an excellent choice one of the lightest insulating jackets blacks stock the regatta icebound ii has a 20d nylon outer and a synthetic medium weight down fill which is water repellent and highly compressibleactivitywalking hiking casualcolour swatchroyal bluefasteningzipfill typesyntheticgendermensjacket styleinsulated jacketnumber of pockets2performancewater resistan