Definition of outsole in English:

outsole

Syllabification: out·sole
Pronunciation: /ˈoutˌsōl
 
/

noun

The outermost layer of the sole of a boot or shoe, especially an athletic shoe.
More example sentences
  • Athletic shoes are basically composed of four parts: the upper, outsole, midsole and insole.
  • Thanks to the form-fitting footbeds and Vibram outsoles, these backless wonders breeze through pushy terrain.
  • Compared to all other tennis shoes available, it had an extra wide forefoot on the outsole, which gave support when hopping from side to side.

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