The Palm Creek 40-50 Degree Sleeping Bag is designed for comfort and convenience on your outdoor adventures. Measuring 33 x 75 , it s lightweight at just 3.5 lbs, with 3 lbs of hollow core fiber insulation to keep you warm. The polyester cover and liner add durability and softness. Plus, two bags can zip together for extra space or warmth, making it perfect for camping with a partner. Product Specifications Size: 33" x 75" Insulation Weight: 3 LBS Cover: Polyester Weight: 3.5 LBS Insulation: Hollow Core Fiber Liner: Polyester Temperature Rating: 40-50 Degrees