The Jack Adams Bodyflex Mesh Trainer Trunk is the same body style of our best-selling Cotton version, but takes performance and comfort to another level. Bodyflex Mesh offers support, comfort and a glove-like fit that is a MUST HAVE for the real performance athlete. The wicking fabric keeps your body cool and dry, handling every moment of your active lifestyle. Made from 88% Polyester and 12% Spandex. XLarge. Chest: 44"-47". Neck: 17"-17.5". Waist: 36"-38".