Hello! This is in excellent pre owned condition. No material tag, please see manufacture info below for info. Please review all pics, zoom for details. Message with any questions. Thank you! From manufacturer: “Climb mountains, stay chill. Our most comfortable shirt in existence has been upgraded. Lighter, and also now more breathable thanks to the new perforated back, what could be more perf? Pro tip: snag a couple, you’ll never want to be without it. Quick n’ fit perf: 94% polyester, 6% spandex Super lightweight and quick drying Machine wash cold, tumble dry low, don't bleach, mmkay? Made abroad, designed in California” *first pic is stock and is for representation only and not of the actual item*