MontBell U.L. Down Inner Pant - Women's - The MontBell U.L. Down Inner Pant weighs less than most cotton Tee-shirts, blocks an amazing amount of wind, and is warmer than most heavy fleece pants, while compressing to the size of a 32 ounce water bottle. Specifically designed as a replacement for the heavy and bulky fleece garments used by many backcountry enthusiasts, the U.L. Down Series is "what you need" when warmth is critical, minimal weight is paramount, and space in your pack is at a premium. MontBell U.L. Down Inner Pant Features: High quality 800 fill power hypoallergenic goose down 15-denier Ballistic? Airlight hollow fiber calendered nylon shell Standard DWR treatment Single-quilt construction for weight reduction Elastic cuffs to seal out drafts 4/5C Full Zipper Stuff sack included Compresses: 4.2" x 5.4" Materials: Shell: 15-denier Ballistic Airlight hollow fiber calendered nylon Insulation: High quality 800 fill power hypoallergenic goose down Fill Weight: 1.4 oz Weight: 147.4 g (5.2 oz)