SwissGear Elite Series Oversized Sleeping Bag Temp rating: 20 F to 30 F. Featuring SwissTherm elite hollow core insulation. Size: 35" x 90". Fill: 3.5 lbs non-allergenic SwissTherm elite polyester Carry weight: 5 lbs. Outer: rugged, high count double diamond ripstop top and ripstop bottom. Inner: soft, polyester/cotton percale Insulated 5" internal shoulder collar. Removable, poly/cotton percale hood. Offset quilt construction prevents cold spots