Mountain Hardwear Unisex Down Flip 35/50 Sleeping Bag Nylon Made in USA or Imported Stay warm in a range of conditions This semi-rectangular bag has more down fill on one side than the other, so you can flip it according to the temperature Water-resistant Q Shield DOWN 600-fill retains maximum loft in damp conditions 5" baffle spacing keeps down carefully controlled for even, predictable loft Insulated draft tube with anti-snag panel prevents cold spots along zipper