Contains reclaimed polyester yarn made by recycling pre-consumer waste Fabric pulls moisture away from the body keeping you cool and dry Inhibits the growth of odor-causing bacteria to help stop stink Traditional Fit 45% Recycled polyester, 45% Polyester, 10% Spandex 140 gsm; 4.10 oz UPF 50 Anti-microbial Wicking Flatlock seams for a more comfortable fit Tagless label for comfort Vendor Style Number: W1209150