The classic design has been updated with finer details, such as sharp double lines and staggered cubes. Through contrasting colors, attention is drawn to these individual layers of lines, giving a dynamic and interesting look. Tern never goes out of fashion but remains timeless. Define is simplicity at a higher level and a design that everyone can use in a quality that will last for many years. Tern never goes out of fashion because cubes are classic and timeless. With Define bedding, comfort, quality and durable design go hand in hand.