Breathable and highly functional, CEP Run Shirts feature everything an athlete desires in a performance top. Thanks to the flat seam construction and anatomical fit, experience comfort like never before. Designed with lightweight and durable materials, CEP Run Shirts are built for athletes that go the extra mile. Superior heat & moisture management Reflective tape on front and back for increased visibility at sundown 4-way stretch for unbounded range of motion Back panel with knitted mesh fabric lets your skin breathe Material: Front Material: 88% polyester, 12% spandex Mesh Material: 100% polyester