Z7 cloth, 88% nylon/12% spandex, (colors) 88% polyester/12% spandex (white) front, back and side inserts provide superior ventilation * Reinforced 73 cloth yoke for added durability in contact area * 92% nylon/8% spandex (colors), 92% polyester/8% spandex (white) * Built in fabric technology helps resist stains and wicks moisture * Wicks moisture * Outside locker label * V-neck collar * Contrast color inserts and piping * Set-in sleeves * Dropped tail hem and side vents