A technical t-shirt with style and performance. The Tune was made for a quick spin at the gym or an all-day adventure. It is made of a heathered knit jersey fabric that is soft and breathable, featuring two drop-in rear pockets for all the essentials and mesh panels on the back to keep you well ventilated. . . . Heathered knit jersey fabric. . Fabric Construction: 91% poly 9% spandex. . Fabric Weight: 150 g/m 815797024807 32744100020 MJTN801