This Sport-Tek long sleeve tee is great for men who love outdoor activities like fall golf trips. It's also perfect for corporate events or team outings. The shirt is made of 100% polyester interlock with PosiCharge technology and weighs 4 ounces. It has set - in sleeves and a removable tag for comfort. With a UPF rating of 50, it offers good UV protection and moisture - wicking technology to keep you comfortable in different weather conditions.