Zenbivy is a hybrid sleeping bag/quilt designed for versatility and comfort whether you’re napping in the hammock, couch camping or counting every ounce for lightweight backpacking. It features the natural warmth of down filling & both left & right side zippers, a cinch at the feet for ventilating excess heat, and attaches securely to your sleeping pad to stay put. Weight: 2 pounds. Rated to 25ºf. A funded Kickstarter.