Built with a durable 50D polyester exterior and 6D Silicon Fiber insulation, the Bantam 30 Degree Rectangular Sleeping Bag delivers optimal warmth in chilly climates. Thanks to its rectangular silhouette and even baffling construction, this sleeping bag provides spacious sleeping quarters and proves that you can never go wrong with a classic. . SPECIFICATIONS. . . . . . External fabric: 50D Poly Ripstop. . Lining fabric: 50D P300T. . Insulation: 140g/120g Poly Hollow Fiber. . 100g/m2 draft tube construction provides added warmth. . 3mm Duraflex Elastic Cord Lock offers an adjustable fit. . 108 in. zipper. . 8 in. quilt line spacing. . Total inside length: 78 in.. . Stuffed Size: 11 x 17 843419157305 30730000006 S17S0019