upper part on the outside back of the heel, creating an pocket outside the main body of the upper that can hold a heel counter
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Heel counter covers are common on work boots and outdoor boots, where particularly heavy heel counters protect and stabilize the foot. The cover also provides extra material to resist punctures and abrasion. Particularly for abrasion, heel the covers are often sewn roughout or another nap material.
Style
Heel counter covers may be rounded or angular, left plain or decorated with decorative stitching, broguing, or pinking.