This lightweight, packable winter Jacket with a 3-in-1 system provides an all-in-one solution for adventures in wind, snow, and rainGore-Tex technology is guaranteed to keep you Dry, repels water, and reduces internal condensationRemovable thermal R liner provides insulation in colder temperatures when you need itShell is treated with plc-free DWR (durable water-repellent), protecting inner layers from getting damp100% seam taped and 2.5-Layer construction prevent snow and rain from leaking into jacket