The grooves (treads) are there to give better grip (like car tyres) on wet and slippery surfaces.
to increase friction
The grooves on the soles of shoes and boots are known as the treads. Running shoes may have spikes for grip on grass running tracks. Football boots have studs, also for grip on an often slippery, grass football pitch.
One sign that your drum brake shoes need to be replaced is when you hear a loud squeal or a noticeable loss of stopping power. When visually inspecting the shoes, measure the distance between the surface of the shoes and the metal they are mounted on. If it's less than 1/16 of an inch or pretty close to it, it's time to replace them. Brake shoes have groves in them. If the grooves are gone, it's time to replace them.
TRACTION
Try squirting hairspray on the sole of your tap shoes.
Skateboarding shoes have a different traction that makes the shoes stick to the sand paper surface of a skateboard.
they are usually $50 or higher but they might be lower but they are very nice shoes
The use of having Converse skate shoes is to have style. A lot of people really care about how they look and how other people percieve them. Style is the reason for wearing the shoes.
trying on shoes?
A mile from where you started, having stolen someone else's shoes.
Some websites specializing in wholesale footwear business, such as Wholesale7, Yoins, etc., can wholesale sports shoes, fashion shoes, etc. of major brands. These websites can usually provide lower wholesale prices. [babareplica] also buys shoes at lower prices.
Some shoe companies are known for having running shoes with high arches is nike if you have a high arch than you would be a good canidate for these shoes as they are safer.