Palau Palau heel open type 浮潜 fin has been designed for use with bear feet, wear very comfortable, yet so much variety. Heel Open Type Design and are not used in the feet of the fin to various sizes, so family and friends can share the same shoe can use the divers the fins of your school or 賃借ri parts various sizes available with or without it, save the money is more high quality fin and available when you need it. When you use this fin without, large power, you can produce huge thrust.