Backpacker April '08 proclaims the Marmot Helium bag is ''sleep-anywhere evidence that luxury and lightweight can go hand in hand.'' FILL. 850-fill goose down. WEIGHT. Long - Left Zip: 2 lbs. 6 oz. Regular - Left Zip: 2 lbs. 2 oz. TEMPERATURE RATING (F). 16 degrees (F)

• The super-versatile, 3-season Marmot Helium sleeping bag packs smaller than a loaf of bread
• Filled with certified, super-lofty, ultralight, 850-fill-power goose down for an unsurpassed warmth-to weight ratio
• LightForce nylon shell is treated with a Durable Water Repellent finish that cause moisture to bead up and roll off
• Face muff allows hood to be cinched snug without digging into your face
• Down-insulated draft tube backs the full-length zipper to keep the cold out
• Classic trapezoidal foot box lets feet move freely and comfortably, and allows goose down to loft fully to keep your toes toasty warm
• Snag-free zipper guards
• Ultralight stuff sack and storage bag included