Ergonomic fit and superb drying effect. Thin lightweight and elastic fabric that is channel-knitted with two high-tech polyester fibers. A multi-channel fiber against the skin enhances moisture transport, which cools the body down. On the outside, a hollow fiber offers insulation as well as moisture transport to the next layer. Flatlcok seams that follow body movements. Body mapped Mesh Superlight and Active Extreme fabrics are combined into one top to create the ultimate in temperature management. A next to skin fit with the Moving Wing technology to provide total freedom of movement.