3-Season 15F / - 9 A great year-round bag or a three-season choice for cold sleepers, this bag combines HeatSync continuous-filament insulation with Flex technology to deliver tough to beat quality in a light, durable design. 30D Polyester Micro-Ripstop Shell material. Ergonomically shaped footbox. Snag-free zipper tracks. Draw cord at collar. Draft collar. Flex stretch external construction. Offset Layer Construction. Ergonomic hood. Pillow pocket. Zipper draft tube. Pad locks. EN Tested. Includes stuff and storage sacks. Chest pocket for valuables. Shape: Mummy. Comfort Limit: 28F / -2C. Lower Limit: 16F / -9C. Fits to: 6' / 183 cm. Length: 78’’ / 198 cm. Zipper Side: Left. Fill weight: 37 oz. / 1.0 kg. Total weight: 3 lb. 9 oz. / 1.6 kg. Stuffed diameter: 9’’ / 23 cm. Stuffed length: 19’’ / 48 cm.