Model: A body-hugging, slim-fit (body/fit) long-sleeved top. Neckline: Features a modern mock neck or stand collar cut, shorter and more upright than a classic turtleneck. Fabric: Made from a flexible and shiny textured fabric, typically a blend of lycra (elastic), modal, or fine viscose. Usage: A basic piece that can be easily worn on its own or as a base layer under a jacket/coat.