soles of shoes are provided with design to increase friction
your soles of your shoes
No shoe polish keeps the tops new looking, the soles and the inside of the shoe will still keep wearing.
Today's hikers prefer a shoe that is six inches high, is made of leather, and thick sturdy composition soles.
by increasing the roughness of the ground or increasing the sole of the shoes
dosole.com
I believe it is the same as on a tire, a Tread.
espadrille
that will increase the total surface area of the base of the shoe and thus will increase the friction force and this help a lot ex-specially on rainy day
The grip? Perhaps the tread.
i think its called a tread
A vast array of products are made with vulcanized rubber including tires, shoe soles, hoses, and hockey pucks.