This Under Armour half - zip is designed for men who are always on the go. Whether you're at the office during the week or engaging in weekend sports, this shirt has got you covered. It's made of 100% polyester with a loose fit, so it's comfortable and roomy. The UA Tech fabric is quick - drying and has anti - odor technology. You can easily layer it with the generous 1/2 zip front. And don't forget, you can add your company logo to use it for promotions at trade shows and sponsored events.