Arista's Brio-Tek 150 shirts are an essential piece in every rider's closet. It contains 21% spandex to promise an incredible fit as well as make it flexible to ensure total freedom of movement while you ride. The moisture-wicking technology keeps you dry and comfortable throughout the day. The surface has been lightly brushed and smoothed to give you a luxuriously soft feeling as well as to eliminate chafing. Our shirts are treated with an environmentally friendly finish to ensure they stay fresh, hygienic and odor resistant.