Structures Collection High-Performance Crypton® Fabrics. Using classic weaves and constructions, the Crypton® Structures Collection expands Mayer's strong foundation of performance textures with the addition of upholstery patterns Channel, Form, Function and Gatsby. Structures Collection 800.428.4415 MayerFabrics.comhttp://www.MayerFabrics.com http://www.MayerFabrics.com