The Mountain Hardwear Down Flip 35/50 Sleeping Bag is a down sleeping bag for various weather conditions. The Flip is filled with 600-fill Q. Shield down, which has a water resistant treatment allowing the down to perform better in wet conditions than untreated down. The semi-rectangular shape leaves plenty of room for rolling over and a single-hand draw cord cinches the hood. One side has more down fill than the other, so you can flip it over depending on the temperature, while a draft tube prevents cold spots along the zipper. Stuff the bag into the included stuff sack for a backpacking trip and steer clear of the bears.Features of the Mountain Hardwear Down Flip 35 / 50 Sleeping Bag Q.Shield DOWN 600-fill has an advanced treatment applied that resists heat robbing moisture and retains maximum loft in damp conditions Flip the bag from one side to the other to change temperature rating Roomy and versatile semi-rectangular cut 5in. baffle spacing keeps down cArefully controlled for even, predictable loft Dual slider zipper extend around footbox allowing the bag to be opened up and used as a comforter, two bags to be zipped together and increasing ventilation options Insulated draft tube with anti-snag panel prevents cold spots along zipper Single-handed draw cords adjust bag opening at top