The insoles of our shoes, with the exception of a few, are made with an environmentally friendly glue, so they may not fully stick to the shoes when they are new before use. However, they will stick to the shoes when they are worn under weight and heat.
The insoles of "adidas Originals" and "adidas NEO" town shoes often have the above features, while the insoles of "Performance" shoes for athletic use are often removable.