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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.
The outsole is made of slip-resistant polyurethane compound to reduce weight.
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.
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 .
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