Yaktrax diamond grip winter traction shoe attachments. Size M which is a men’s size 6.5 - 9 and women’s shoe size 7.5-10. Black colors. TRACTION FOR ALL WINTER CONDITIONS EASY ON / EASY OFF DURABLE STEEL ALLOY BEADS. YAKTRAX® DIAMOND GRIP® PROVIDES AGGRESSIVE TRACTION FOR ALL WINTER WALKING CONDITIONS. MADE OF CASE-HARDENED STEEL ALLOY AND STRUNG ON STEEL AIRCRAFT CABLE, THE PATENTED DIAMOND -SHAPED BEADS HAVE HUNDREDS OF BITING EDGES THAT GRIP IN ALL DIRECTIONS. THEIR DURABILITY AND COMFORT MAKE THEM IDEAL FOR PROLONGED USE AND TRANSITIONING OVER DIFFERENT TYPES OF SURFACES. Never used but box is damaged.