With just enough insulation for warm weather camping, the all-purpose REI Co-op Helio Sack 55 sleeping bag travels well and won't turn you into a sweaty mess by the morning. FILL. Synthetic. WEIGHT. Long: 1 lb. 11 oz. Long Wide: 1 lb. 15 oz. Regular: 1 lb. 9 oz. COMPRESSED VOLUME. Long: 4.2 liters. Long Wide: 5 liters. Regular: 3.1 liters. TEMPERATURE RATING (F). 55 degrees (F)

• Long side unzips into a quilt; short side-zip works as both a vent and an armhole
• Relaxed mummy shape won't cramp your sleeping style
• Differentiated drawcords (1 round, 1 flat) let you adjust the hood and neck easily in the dark
• Durable water repellent (DWR) finish on the polyester shell resists moisture and stains
• Included stuff sack compresses for packing; mesh expansion allows for breathable storage