Tyono 20 nylon, polyester (outer), Coreloft polyester (internal) Treatment: Device clean Light reduced, tumble dry Mild low But this vest works equally properly although tromping by way of cattail sloughs in South Dakota or busting by way of popple means grouse in Minnesota. The Summit is my editor’s preference https://lightweight-hunting-vest25792.creacionblog.com/29586025/the-best-side-of-outer-vest-for-outdoors