Apeks didn't give the RK3 fin a shoe size range as this can be very misleading. CUSTOMIZABLE FIT - Equipped with adjustable straps, these open-heel fins ensure a secure and personalized fit for various foot sizes, accommodating different diving boots for optimal performance. Vented blade design reduces resistance on the upstroke and en Short wide blade provides maximum forward thrust while maintaining great maneuverability. Apeks Rk3 Fins Size Chart Apeks RK3 HD Scuba Dobedo Divers Apeks Rk3 Length APEKS RK3 Fins Now NEW COLORS Available #Pink #Orange #White #Black The environment that an RK3 is used in will tend to dictate the size of fin that you need, for example do you dive in a warm environment wearing wetsuit boots, or are you walking across pebbled beaches and wearing a dry suit and rigid dry boots? Both forms of footwear may be a size 9, but will take up different amounts of space in the fin foot pocket. SUPERIOR COMFORT - Crafted with a thermoplastic rubber foot pocket, these fins provide a snug, comfortable fit, minimizing chafing and maximizing power transfer for extended dives. MAXIMIZED PROPULSION - Vented blade design efficiently channels water, reducing drag and increasing thrust with each kick, enhancing your underwater maneuverability and speed. Based on one of the first vented rubber fins sold in North America and popular among military and professional divers. The design has been the standard gear issue fin for military, special ops, coast guard and public safety divers for decades. Therefore, Apeks recommend that you visit your local dive store and try the fins on with your own footwear, just to ensure that you're getting the right fit for your style of diving.
