This lightweight, ultrawarm layer is a perfect choice to wear under your waterproof shell or on its own. It features revolutionary PrimaLoft CrossCore insulation that has the best warmth-to-weight ratio you'll find anywhere.
We've been keeping waterfowlers warm for over 100 years, and now we've integrated the most advanced insulation available into our pinnacle waterfowl pullover. Primaloft CrossCore Insulation, using NASA-developed aerogel technology, provides ultralight warmth without adding bulk that may impede your movements or gun swing. Pair it with our Waterfowler Pro Jacket for the ultimate in waterproof warmth.