Cressi Sub Reaction Pro Full Foot Fins All the technical innovations of the open-heel Reaction fins, including three material molding technology and a variable thickness blade, are also available in this full foot fin powerful enough for scuba diving and comfortable for long days snorkeling. FEATURES Suitable for scuba diving, free diving and snorkeling Variable thickness blade improves responsiveness Two-material blade design for precise blade control Blade extends from the top of the foot for 20% greater surface area Elastomer foot pocket material for secure, comfortable Non-slip foot pocket for traction on boat decks PLEASE SEE ADDITIONAL IMAGES FOR SIZING CHART Please Allow An Additional Five Shipping Days For Cressi Items As They Are Very Popular