The 24-7 Series Eco Tec Tac T-Shirt contains Repreve polyester made from recycled plastic bottles. Repreve is one of the most certified, fibers available in the world. Products made with Repreve help conserve energy and natural resources, giving our customer another great reason to recycle. 24-7 Series Eco Tec Tac T-Shirt have a traditional t-shirt fit with no pill, no snag 4-way stretch fabric that contain and moisture wicking properties while providing 30+ certified UV protection. ;