6/10 LACE SYSTEM SPEED Single Anti-Slip Lace with molded lace hooks Lightweight, High-Performance boot for MTN and Trail Riding Engineered to have extremely positive fit & feel, with both Maximum Flexibilty, and also Maximum Stability and Protection Rated to -60degree C with 800 g insulation Molded inner heel flex insert for backward flex control and impact support Molded ultra low profile toe box Fixed liner with micro fur lining Minimal seams in sled-contact areas Heavy duty 2mm genuine rubber reinforcements Front & rear pant cuff attachment system 20mm thick EVA midsole for maximum impact absorption FXR high traction outsole with toe and heel kick Achilles and calf cushion support