Responsible Collection: Recycled/Repurposed Material: [membrane/laminate] GORE-TEX (2-layer), [face fabric] 75D recycled polyester Insulation: none Waterproof Rating: 28,000mm Seams: fully sealed The Sky Ridge GORE-TEX Jacket is a waterproof and breathable shell from Mountain Hardwear. The 2-layer GORE-TEX membrane maintains breathability while providing waterproof and windproof protection, and the internal powder skirt, RECCO avalanche rescue reflector, and helmet-compatible hood add mountain performance for our adventures in the powder.