The Grand Trunk Evolution Hammock has an open style with a gathered end and integrated insulation. The Evolution includes both top and bottom full-length insulation using a high-quality synthetic fill for a 20°F rating. The hammock is lightweight and comes with a compression stuff sack for easy travel. The top quilt features a center zipper and two draft chambers that seal the quilt around the head and shoulders. Webbing end loops with aluminum carabiners for hanging.• Synthetic fill for a 20°F rating• Weatherproof fabric for any adventure• Ultra-soft, breathable, and fast drying for maximum comfort• Included compression stuff sack for stress-free travel• YKK zipper• 2 lightweight aluminum carabiners included• Storage sackSpecsMaterials: Breathable 1.6 oz. 40D Diamond-Grip Ripstop Nylon with 290T WR (Trunk Tec); 20D Ripstop Nylon with 380T DWRDimensions: 126" x 66" Comfort rated to 20°F Draft chambers seal the quilt around the head & shoulders Webbing end loops with aluminum carabiners for hanging | Grand Trunk Evolution 20 Synthetic Hammock