The Jet Sport fin by Scubapro has a tri-material design featuring a pair of soft rubber panels framed in semi-stiff plastic and flanked by thin side rails, producing just the right amount of flex.
Type: Full-foot, wear with bare foot or light sock
Main Use: Scuba diving or snorkeling
Flexibility: Medium stiffness
Kicking Style: Flutter, Frog, Backwards
Comfort & Fit: Soft rubber foot pocket
See images above for Size Guide.