Columbia Men's Silver Ridge Vest OMNI-SHADE MAIN BODY: 100% nylon Silver Ridge ripstop ; OMNI-WICK MESH PANELS: 57% recycled polyester/43% polyester mesh Imported 100% nylon canvas, 100% polyester abrasion resist fleece Omni-shield advanced repellency Omni-shade sun protection Machine wash cold gentle, wash separately, do not bleach, tumble dry low, remove promptly, iron low Do not use fabric softener, do not dryclean, Vietnam