A polo neck, roll-neck (UK) or turtleneck (US, Canada) or skivvy (Australia, New Zealand) is a garment—usually a sweater—with a close-fitting, round, and high collar that folds over and covers the neck. It can also refer to type of neckline, the style of collar itself, or be used as an adjective (`polo necked`). A simpler variant of the stan..... Found on http://en.wikipedia.org/wiki/Polo_neck