The PERFORMANCE PRO ski sock from FISCHER is the new top model for winter sports enthusiasts who don't want to compromise. Thanks to the extra high proportion of PRIMALOFT BIO yarn, this sock offers exceptional thermal performance and keeps your feet pleasantly warm even in icy temperatures. The high-quality material composition also ensures optimum comfort and a perfect fit so that you can concentrate fully on your performance. With the PERFORMANCE PRO ski sock, you are ideally equipped for long days on the piste.