The Mountain Hardwear Women's Ghost Whisperer Down Jacket is probably the lightest full-featured down jacket anywhere. The sub-eight-ounce Ghost Whisperer Down is pared down to perfect essentials: 850-fill goose down, zip-pockets and a cinch hem. Weighing in at 6 ounces, the 7-denier ripstop nylon fabric and super compressible 850-fill down combine to give you ultralight warmth without the weight