This warm-weather sleeping bag will provide a comfortable environment on 40? to 60? nights. Avoid the struggle to roll and pack with the patented No Tie closure and Roll Control technology. Machine washable and made with a No Snag patented zipper, the fabric can easily be kept clean and snag-free. For temperatures 40-60 degrees F. 75" X 33" 3lbs thermotech filled insulation Tricot lining