Designed to boost your training results, the racerback Airid Adjustable Tanktop will elevate your workout routine and make you hit your goals in comfort. Cut with 100% recycled polyester and featuring sweat-wicking properties, the top can be easily adjusted at the side seams. Made as part of our O'Neill Blue product range. Please refer to Our Ocean Mission page for more information about the materials used in O'Neill Blue products.