shirt is NWT. Shirt was a limited run from Costco. Performance shirts. Great as a workwear or casual piece. Stretchy and soft material. HI-Tec performance button up shirt Hi-Tec Men's Short Sleeve Comfort Stretch Moisture Wicking Button Down Shirt • Ні-Тес Men's Short Sleeve Comfort Stretch Moisture Wicking Button Down Shirt • 100% Polyester • Button Down Shirt with Metal Buttons • Eyeglass Cleaner at Inside Tail • 2 Security Button Pockets on Chest • Ventilation Mesh Inside Back Yoke • Ні-Тес Shade - Sun Protection • Hi-Тес Flex - Comfort Stretch • Dri-Tec - Move Moisture from Skin • Short Sleeve Collard Button Up Shirt | Easy Care | Machine Washable