Back is blank. Made of quality 100% cotton. 4XL – Length = 34″ (86 cm) – Chest Width = 30″ (76 cm). 3XL – Length = 33″ (84 cm) – Chest Width = 28″ (71 cm). 2XL – Length = 32″ (81 cm) – Chest Width = 26″ (66 cm).