The Core Performance Work Wear™ Base Layer Short Sleeve Shirt by Ergodyne® is made to work with any work environment. It is made of advanced materials like wicking fabrics which help you stay dry and tech fabrics for venting and temperature control. This Core Performance shirt also has many treatments like the soil release treatment to make cleaning easy and anti-stink treatments that fight odor-causing bacteria. The reflective highlights make sure you will be seen and Ergodyne’s “Just Say No To Crack” long tail design protects your dignity. 50+ UPF to protect you from the sun’s UV rays. Available in Black and Gray.