Fulfilled by our friends at Klymit FOR THE COLDEST NIGHTS: Extra-warm synthetic insulation is rated to 0 degrees.DURABLE: Lightweight micro polyester shell resists water and abrasionCOMPLETE COVERAGE: Fully adjustable deep pocket hood and zipper draft tube keeps cold air outPACKS DOWN SMALL: Included compression sack keeps things tightSpecs: Regular: DIMENSIONS: 74 x 30 in / 188 x 76 cmSHOULDER WIDTH: 56 in / 142 cmPACK SIZE: 15 x 9 x 9 in / 38 x 23 x 23 cmWEIGHT: 3.2 lb / 1.5 kgINSULATION TYPE: 180g/m2 Double Layer ThermaproTEMPERATURE RATING: 0AdegF / -18AdegCSHELL MATERIAL: 50D 230T PolyesterLINER MATERIAL: 190T Brushed Polyester Large:DIMENSIONS: 82 x 32 in / 208 x 81 cmSHOULDER WIDTH: 60 in / 152 cmPACK SIZE: 17 x 9 x 9 in / 43 x 23 x 23 cmWEIGHT: 3.7 lb / 1.7 kgINSULATION TYPE: 180g/m2 Double Layer ThermaproTEMPERATURE RATING: 0Adeg F / -18Adeg CSHELL MATERIAL: 50D 230T PolyesterLINER MATERIAL: 190T Brushed Polyester Extra-LargeDIMENSIONS: 82 x 36 in / 208 x 91 cmSHOULDER WIDTH: 68 in / 173 cmPACK SIZE: 17 x 10 x 10 in / 43 x 25 x 25 cmWEIGHT: 4.2 lb / 1.9 kgINSULATION TYPE: 180g/m2 Double Layer ThermaproTEMPERATURE RATING: 0Adeg F / -18Adeg CSHELL MATERIAL: 50D 230T PolyesterLINER MATERIAL: 190T Brushed Polyester