Our crew necks are soft and lightweight, with the right amount of stretch. This long-sleeve, tailored-fit makes it easy to dress it up or keep it casual. It's comfortable and flattering to suit anyone.

• 100% combed and ring-spun cotton (heather colors contain polyester)
• Fabric weight: 4.2 oz (142 g/m2)
• Shoulder-to-shoulder taping
• Side-seamed

PrinCple Facts:
Yi Xing, a Buddhist monk, made the first model of a mechanical clock in 725 AD. This clock operated by dripping water that powered a wheel which made one full revolution in 24 hours. An iron and bronze system of wheels and gears made the clock turn. This system caused the chiming of a bell on the hour.

Accurate mechanical clocks were developed in ancient China because of a belief in the form of astrology that was based upon the moment of conception rather than the time of birth. Retainers listened outside the royal bedrooms to record the possible times of conception of royal children. This was considered important enough that considerable effort was devoted to developing accurate timing mechanisms.

The mechanical clock is an invention we all use today. According to historical research, the world's first clock was invented by Yi Xing, a Buddhist monk and mathematician of the Tang Dynasty (618－907). Yi's clock operated with water steadily dripping on a wheel that made a full revolution every 24 hours. As time went on, clocks were made with an iron and bronze system of hooks, pins, locks and rods, but still followed Yi Xing's clock design. Hundreds of years later, Su Song, an astronomer and mechanist of the Song Dynasty (960－1279), created a more sophisticated clock, making him the ancestor of the modern clock.

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