TWIN SKIN SPEEDMAX 70 MEDIUM IFP"The new Twin Skin Speedmax 70 is an eye catching, lightweight, high quality skin ski with an Air Core Basalite Pro core. Two short and wide mohair skin strips ensure perfect grip and outstanding gliding properties, even in icy conditions. We recommend applying VAUHTI PURE SKIN CLEAN & CARE to clean the skin strips and to increase the gliding properties. To protect the base, a thin layer of wax is applied to the skis which must be removed and brushed