Details Ultralight insulated hoody with thermal regulation and stretch Articulated pattering with athletic fit Unique diamond quilt design on top front back panels Exposed insulation for added comfort and less bulk Knit underarm gussets for breathability and stretch Water resistant Slimmer fit and sizing up is reccomended if customer prefers extra room Specs 82% Nylon, 18% Spandex Insulation: 100% premium polyester