----Performance Fabrics made from Recycled Plastic Bottles ----Signature HeatGear® moisture transport system keeps you cool and dry ----Lightwight, durable high-gauge knit fabric provides maximum comfort against the skin ----ArmourBlock™ technology prevents the growth of odor-causing microbes ----UPF 50+ protects against the sun's harmful rays ----100% Recycled Polyester (excluding trims)