The new skinfoils represent the genetic evolution of the outgoing line of assos skinfoil baselayers. Based on the seamless tubular knitting technology, assos skinfoil_s7 baselayers represent the inner core of the als, the assos layering system. They are your next-to-skin first-layer product. without a properly fitting skinfoil, the rest of your outfit cannot perform to its full potential. When wearing assos, always wear an original assos baselayer with it - it's the best way to maximize the assos total comfort experience.