Performance plaid has no limits, and neither do you. For warmer days on the trail, make it sleeveless. A perfed back vents easily. Shoulders comfortably fit a pack. Snap up for an epic day. We love it for: everyday trail running and relaxing 88% recycled polyester & 12% spandex Super lightweight & quick-drying Semi-relaxed fit Front metal snaps Shoulder width fits packs Perforated back panel Machine wash cold, tumble dry low, don&';t bleach, mmkay? Designed in California, made abroad