Features of the Columbia Men's Tunnel Falls Interchange Jacket Omni-Tech waterproof/breathable critically seam sealed Zip-in and 3-point interchange system Fleece liner Drawcord adjustable hood Interior security pocket Zippered hand pockets Adjustable cuffs Drawcord adjustable hem Fabric Details Shell: 100% polyester MTR filament fleece, 250g Lining: 80% Recycled polyester, 20% Viscose