The Under Armour Armour Guard Long Sleeve Shirt delivers superior protection against heat, sun rays, water, and messy stains. Built with Armour Guard Fabric that repel stains, the Under Armour Long Sleeve Shirt was designed to withstand the riggers of a tough fishing environment. The Under Armour HeatGear technology works to pulls moisture away from your skin, keeping you sweat-free and focused on fishing. The long-sleeve, 100% polyester construction provides an incredibly comfortable fit and a 30+ UPF sun protection rating. Designed with strategic ventilation, the Under Armour Armour Guard Long Sleeve Shirt is a great choice for those dog days of summer.