This sizing chart is approximate. If the boot is at the outer limit of the fit of the overboot the next size up should be considered. A little extra space is usually not a problem. Very durable for walking on abrasive ice and snow. Won't slip around on the snow.
Coating keeps moisture out of the mukluk.
Uncoated Packcloth Leg Section When walking in the deep stuff, the height of this section keeps snow out since it reaches to right below the knee. Can be rolled down to the ankle when not needed. EVA Foam Footbed Held by Elastic Insulates the foot from the cold walking surface. Very light Removable when a boot liner or Polarguard bootie is to be used as the insulator. Drawstring and Toggle at Top Can be tightened when walking in deep snow to keep snow out and heat in.