Packs easily into its own internal stuff sack. UA Storm technology repels water without sacrificing breathability. Stretch-woven nylon shell with knit seat & inner leg panels for ultimate combination of durability & comfort. 800-fill power goose down insulation provides extreme warmth to outlast even the harshest mountain conditions. Traditional puffer silhouette but much more durable & less noisy. Full length leg zips allow for quick & easy on/off, allowing you to react to fast changing mountain conditions . Tapered leg fit with adjustable, snap cuffs. Inseam: 32".