THERM-A-REST Honcho Poncho Down Taken from website- “Down-insulated hooded poncho that can be worn, or laid on the ground as a blanket DWR-coated and 100% recycled polyester is water resistant, sustainable, and more comfortable, without sacrificing durability Insulated with RDS-certified 650-Fill Nikwax Hydrophobic Down that is warmer and lighter than synthetic fill, and is the same fill used in some of our best sleeping bags Anorak zipper, three panel fitted hood and refined snap layout boost wearability and comfort, while reducing excess fabric Front pocket doubles as built-in stuff sack and down filling is supremely packable, making it easy to take on any adventure Lightweight at just 19 oz (529 g) and lies flat to cover 48 x 42 in (123 x 106 cm)”