FXR X-Cross Pro Speed Boots The FXR X-Cross Pro Speed boots are a winter riding boot designed to keep you warm in the coldest conditions.  Features:  Rated to - 40°C with 600g insulation Speed lace system also secures laces 2  piece form fitting tongue construction Fixed liner with fur lining 20mm thick EVA midsole 2mm rubber reinforcement at the toe cap Pull strap for easy on Cushioned support for achilles and calf