Features: Protect Your Feet:Dive socks conserves body heat and provides insulation in cooler waters, but also on hot sand so you got no blisters. They can protect you from sharp coral and shells and any spiky objects. So no more scratches and bruises. Adjustable Open Heel Design, Good for Sharing: The open-heel design means each fin can accommodate a wider range of sizes, so family members or friends can share equipment more easily. The best parts is the filter pads inside the fins can keep fins in shape when store it. Wears Comfortably, Support Various Way to Put On:Carefully select high quality material, soft foot pocket, flexible enough for barefoot, but can also be worn with fin socks or dive booties which help to protect a diver's feet from the cold, and blisters. (Reminder: Please purchase sizes up if wear with dive booties together) Compact Size, Perfect for Travelling:This short fins is an excellent choice for travelers as the short blade is lightweight and compact, making it ideal for packing with ease. And it is a useful swimming aid either for pool or sea swim-lovers or snorkelers. The channeling effect enables a high level of energy to be transferred in both up and down strokes of the kick pattern. Notes: 1. Due to the lighting effects and shooting angles, there is a color difference in the product, please understand. 2. Due to manual measurement, there is a tolerance in the product size. 3. Be sure to refer to the size chart or description on the picture before purchasing. The child's swimsuit may be a little tight the first time the child tries to dry, but it will fit in the water. Specifications: Material: Nylon Size,Recommended Size,Sock Sole Length,Sock Height S,33-35,20cm,10cm M,36-38,21cm,11cm L,39-42,22cm,12cm XL,42-45,23cm,13cm includes: 1pair*Water Socks