The Inlet Puffer Jacket features zipper hand and chest pockets, breathable mesh lined sleeves, interior stash pockets, and water-resistant coating. It packs down into the right hand pocket.  This Style Runs Small. For a Roomier Fit, We Recommend Sizing Up.  Fabric Content: Exterior: 100% Polyester / Interior: 100% Polyester, Fill: Oystex Blow Fill - Warmer than Down!