Performance level ARMA OXI-ZONE fetlock boots offer next-generation protection with excellent temperature regulating features. 360° VENTILATION: Directional venting of the outer shell and open structure fabrics keep air circulating all around the leg to dissipate heat and reduce moisture levels. 4D IMPACT PROTECTION: FlexFit TPU moulded outer with directional venting for protected areas. Air Motion 3D mesh encourages airflow. Zonal EVA foam buffers impacts to the most vulnerable areas.