1, contact surface size

2. Texture of contact surface

3. Grain bottom

Therefore, non-slip soles should have the following characteristics:

1, large contact surface, flat bottom is the best, such as stilettos must not be suitable;

2. Soft and ripe rubber or composite soles are similar to tires, and hard rubber can't play an anti-skid role on wet and oily ground.

3. There are deep lines at the bottom; In view of the landlord's requirement that the floor is not dirty, it is suggested that the lines should not be too complicated.

The above hope can give you reference.