The Toe Warmers Olivia Extra Depth is from the Clinic Extra line. The Olivia Extra Depth is Extra Deep, Extra Warm, and Extra Dry.
These boots have been designed to resist heat loss. The level of cold protection you can expect depends on your level of activity and blood circulation of the foot.
Sitting or Standing
To remove dirt, wipe gently with a dry cloth to remove any dried-on dirt and dust.