Thank you for viewing. This is a recommended product. FELLOW Surf Boots 6mm Cold Protection Brushed Surfing Shoes Split-Toe Type Thermal Brushed Material Japanese Standard Men's Ladies For cold regions and mid-winter wetsuit boots Color: Black_Size: 21cm FELLOW SURF SOCKS TYPE BOOTS Material: Neoprene —› 6mm "SEAL processing on exposed seams to prevent water penetration. ▶Adoption of diagonal cut: Adoption of a diagonal cut that does not hinder ankle movement. 1 Spider Grip Sole: Uses a sole that grips in any road condition. Thank you very much for your time. We hope you will purchase after confirming the above. If you have any questions, please feel free to contact us via message.