Polyester sleeping bag for cold weather, blue and gray design. Coleman Cold Weather Mummy Sleeping Bag - Brand: Coleman - Color: Blue/Gray - Type: Sleeping Bag - Material: Polyester - Temperature Rating: For cold weather After using it for winter camping this year, I washed it in the washing machine, and the right side of the head part tore. There is no problem with use, but I would appreciate it if you could sew it or repair it. Thank you for looking.