Keep warm on the coldest of nights with the Klymit Wild Aspen 0AdegF Sleeping Bag. Extra-warm synthetic insulation offers an exceptional warmth-to-weight ratio for easy packing-and easy sleeping. Zipper draft tube ensures the cold air stays outside where it belongs, so you sleep soundly through the night. Water- and abrasion-resistant micro-polyester shell will hold up to seasons of use. Extra-warm synthetic insulation keeps you warm on the coldest of nights Thoughtfully designed for four-season comfort Lightweight micro-polyester shell resists water and abrasion Zipper draft tube keeps out drafty air Fully adjustable mummy hood and built-out foot box for extra comfort 0 degreesF (-18 degreesC) temperature rating Included compression sack for easy packing Manufacturer's 2-year warranty Regular Size: Dimensions 74 inchl. x 30 inchw. Packed Dimensions: 15 inch x 9 inch x 9 inch Shoulder Girth: 56 inch Weight: 3.2 lbs.Large Size: Dimensions 82 inchl. x 32 inchw. Packed Dimensions: 17 inch x 9 inch x 9 inch Shoulder Girth: 60 inch Weight: 3.7 lbs. XL Size: Dimensions 82 inchl. x 36 inchw. Packed Dimensions: 17 inch x 10 inch x 10 inch Shoulder Girth: 68 inch Weight: 4.2 lbs.