The Frenzy is an all-day, all-around performance rock shoe, with a special emphasis on crack climbing.. For '07 Mad Rock added their classic 3D FX5 hooker heel and an innovative "lace" rand that both protects the lacing systyem during extreme foot jams and adds that extra bit of friction you need. Offering great feel with full X-Static lining, this shoe gives hours of comfort for multi-pitch routes. The tongue and perforated upper create maximum breathability while your ankle is cradled with a padded cuff. High toe rand and lace rand for jamming and hooking and equally at home on the big wall with its secure yet relaxed 3D FX5 heel. The perfect shoe for a full day of climbing or guiding.