Water-resistant, durable linings, with a hearty amount of Polarguard 3D to lock in the warmth. Trek Bivy A bivy with a twist , literaly .We rotate the door of this bivy around to the side so you can keep it open and get in and out in the rain without drenching your gear. Room to read and to sleep, maybe a little yoga. The North Face Sleeping Bag Compressors reduce the stuffed size of sleeping bags or gear to give you extra room in your pack. Triple strap design provides high compression to free up extra pack space.
Polyurethane coating offers waterproof protection.
Bottom handle allows pulling out of contents or hanging the sack on a bear rope. Available in five sizes.