Stretchy, hardwearing and quick drying, our Pro Long Sleeve Base Layer Top is perfect for work. Featuring a quick-dry fabric and a good wicking performance, the men's long-sleeved work t-shirt will keep you fresh. There's added stretch for agility. Recycled polyester Good wicking performance. The Pro Long Sleeve Base Layer Top from Regatta Professional is the ideal work top. The men's t-shirt is made with a quick-dry fabric and features a good wicking performance to help keep you fresh. Finished with added stretch for comfort.