Public Rec | Better Than Down Vest | BeigeA water repellent, fall to spring vest made better by 3M Thinsulate, an eco friendly insulation that beats Down every time. The durable external shell is water repellent while the interior is filled with 3M Thinsulate Featherless Insulation. Its not only sustainably crafted but also quick drying, machine washable, and provides warmth without bulk. Outer Fabric: 90. 5% polyester, 9. 5% spandex Insulation: 3M Thinsulate Featherless Insulation 3M