Insulated with PrimaLoft Silver 750, a revolutionary combination of 750 fill goose down (70%) and PrimaLoft fibers (30%), it has some very special abilities: it absorbs water ten times slower than 100% down, retains 95% of its warmth if it does get wet, and dries four times faster than down. This translates to incredible warming performance in an expanded range of conditions. The micro-grid ripstop shell is water-resistant and has a tight weave - no feathers escape. For warmth that won't wilt when wet, this is your jacket.