Under Armour Performance Shirt Mens Medium Black Heat Gear 1/4 Zip Pullover. Good Preowned Condition. This Under Armour Performance Shirt in Men's size Medium is a must-have for any outdoor or sports enthusiast. The black, solid knit fabric is made of 100% polyester and is machine washable with a medium fabric wash. The pullover style features a mock neck with a stand-up collar and a 1/4 zip for added ease and ventilation during activity. The shirt also boasts the Under Armour logo as an accent. In terms of features, this shirt has a mild compression level and is suitable for walking, running, and jogging, making it a great addition to any activewear collection. The shirt is part of the Under Armour product line and is perfect for any outdoor, classic, or sports-themed occasion. All items have been cleaned and sanitized. PLEASE compare MEASUREMENTS photos to actual MEASUREMENTS from an item of your own to ensure a good fit.