1.Anti-scratch---The diving boots, which are made of Flexible Roman cloth + Rubber , it can fit in a closed footpocket type diving fins2.Anti-jellyfish---the jelly fish, who might be poisonous, is uneasy to hurt you when you are diving deeper. Protective in the open ocean3.Keep warm----1mm fabric can better keep your head warm in the water. Don't be so cold again4.Anti-Skid----- Peak nest sole design can prevent the sole of the foot from being stabbed by sharp objects, and the anti-skid performance is better5.Various sports---Suitable for swimming, surfing, diving such sports. Enjoy your water sports and underwater trip