Discover the power of the Twin Jet Max split fin by SCUBAPRO.  The Twin Jet Max Fin features a patented split-hydrofoil shape to deliver optimum power with minimum effort, plus dual-compound construction, which enables SCUBAPRO to fine-tune performance and optimize maneuverability and diver comfort. The spring strap allows you to easily and quickly slip on your fins. No struggling with adjustments or getting a twisted strap over your boots.  The spring strap system simply rolls onto your heel and keeps the fin snugly, yet comfortably, on your foot. Its added durability and sturdiness make your Twin Jet Max fins fit for a lifetime. There are three primary variables to consider when selecting a fin: power, efficiency and fit. The more water a fin moves, the greater its kicking power. Furthermore, fins that transfer a greater percentage of a diver\'s kicking effort into forward motion are considered to be more efficient. TWINJET MAX FINS do just that! Technical Information Quick release easy adjust buckles. Semi rigid side rails for blade stability throughout kick. Bio-engineered soft foot pocket for seemless energy transfer. Vented area for hydrodynamic superior flow during the upstroke. Bi-material blade for ideal blending of flex and performance. Proven patented split-fin technology.