ZeroXposur Men's Stance Bonded Rib Sweater 100% Polyester Imported Machine Wash ZX-knit technology, the Bonded Rib fabric expands and contracts with movement for optimal performance Flexible fabrication provides you freedom of movement for optimal comfort and performance Regulates moisture to keep your body dry and comfortable Highly breathable - prevents overheating and balance temp to provide you comfort in any activity Performance fit allows maximum mobility to give you advantage during your favorite outdoor activities