The outermost layer of the sole of a boot or shoe, especially an athletic shoe.
- ‘Athletic shoes are basically composed of four parts: the upper, outsole, midsole and insole.’
- ‘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.’
- ‘Combined with the midsole, which is made from lightweight polyurethane, the outsole is highly flexible, with a sticky gum rubber bottom for excellent traction and board control.’
- ‘Look for shoes with an aggressive outsole instead of a smooth design.’
- ‘At first blush, this shoe evokes a mild-mannered street runner, but flip it over and you'll find an outsole that tears asphalt to shreds.’
- ‘These high-end off-road racing shoes feature a co-injection molded nylon and urethane outsole.’
- ‘The cushioned surface of the liner is in contact with the foot while the interlocking grooves on the underside fit into the perforated cage to create the outsole.’
- ‘Thanks to the form-fitting footbeds and Vibram outsoles, these backless wonders breeze through pushy terrain.’
- ‘The GCS is fairly close to a road shoe in terms of build and design but with some key differences, like its extra-firm heel, quick-dry outsoles and high-traction treads.’
- ‘The outsole is made of slip-resistant polyurethane compound to reduce weight.’
- ‘A knobby, trail-runner-type outsole makes short work of Atlantic City sludge.’
- ‘This nifty little sandal features a rubber outsole and an absorbent yet fast-drying neoprene upper.’
We take a look at several popular, though confusing, punctuation marks.