Experiences weightless warmth: a fusion of NASA-developed Aerogel - the world's lightest material - with PrimaLoft Gold insulation makes this one of our lightest synthetic-insulated jackets ever. Water Resistant: Yes Wind Resistant: Yes Insulation: Revolutionary 60-gram PrimaLoft® Gold with Cross Core™ technology Pockets: Two zippered hand pockets, one zip chest pocket, one internal media/stow pocket Hooded: Yes, attached insulated hood Zippers: Center front zipper Packable: Yes, packs small in stow pocket for trail and travel convenience Weight: 0.89 lbs.