moleskin
US /ˈmoʊl.skɪn/
UK /ˈmoʊl.skɪn/

1.
2.
a small, adhesive, felt pad used to prevent blisters or chafing
:
•
She applied a piece of moleskin to her heel before the long walk.
•
Hikers often carry moleskin in their first-aid kits.
a small, adhesive, felt pad used to prevent blisters or chafing