As light as the feathers it's filled with and delivering 650-fill goose down warmth the Isis Whisper Jacket will become your jacket mainstay. Made with downproof mini ripstop water resistant nylon that keeps feathers in and weather out this jacket is the perfect layer under storm and soft shell jackets. With its own stuff sack and a unique quilted pattern this jacket is your new best friend. Wear it alone or as a layer- in mountain towns this is a year round jacket.