Columbia Men's Lhotse II Interchange Jacket 100% Other Fibers Imported Omni-Heat thermal reflective liner. Omni-Tech waterproof/breathable fully seam sealed Zip-in and 3-point Interchange System. Synthetic insulated liner Removable, adjustable hood. Snow seal, Underarm venting Waterproof zipper. Interior security pocket Adjustable sleeve cuffs. Drawcord adjustable hem. Drop tail