The Under Armour Mens Catalyst Short Sleeve T-Shirt is made from made from recycled plastic bottles, which blurs the line between science and nature. But it wasnt made in a lab. It was born on the field. Which means its seriously lightweight, designed to respond to quick moves, and engineered to keep you on your game. It may feel soft, but it performs tough, wicking away sweat to keep you cooler. Features Soft, sleek, quick-drying UA Catalyst fabric built from recycled materials for low environmental impact and superior durability4-Way Stretch fabrication allows greater mobility and maintains shapeSignature Moisture Transport System wicks sweat away from the body50+ UPF protects your skin from the sun's harmful raysRaglan sleeve construction allows for full range of motion without chafing Glossary 4-Way StretchLightweight construction that stretches both laterally and vertically for enhanced mobility and accelerated dry-time. Moisture Transport SystemUSAs signature, sweat wicking technology pushes sweat away from your body to the surface of your gear so it dries faster. UPFBuilt-in protection for your skin from the sun.