Ultra-light training jersey in moisture-absorbing and quick-drying material. Practical zip-up neckline. 4 way stretch fabric. Swix RaceX Bodywear has won countless tests over the years. The products are designed for high-intensity activity and are the preferred bodywear by many sportspeople due to the light and elastic fabric. The top offers full freedom of movement with stretch in all directions and anti-chafing seams. The open structure of the fabric holds a thin layer of insulating air against the skin, while offering outstanding breathability and ventilation properties to prevent overheating. The material is fast-drying and absorbs moisture effectively from the skin, which are two of the reasons why the baselayer feels comfortable and temperature-regulating during intense activity. The RaceX Halfzip is a good option when you want a little more protection around the neck, but the zipper still gives you the option of a more open solution if needed.