Which is better, polyurethane or pu sole?

There is no difference between these two soles, because polyurethane is PU.

PU is a high-tech synthetic material with high elasticity and comfort. Good wear resistance, can be used for a long time and is not easy to wear. It has good anti-skid performance on wet ground, and can prevent skid.

It can help to expel moisture and heat from shoes, keep shoes dry and comfortable, and is lighter than soles made of other materials, comfortable to wear and convenient to walk. The surface is smooth and easy to clean, just wipe it with a wet cloth.