Mach II Turbo-According to experienced divers Mach II Turbo has more power against the current than most split fins on the market.
 
They are made with heavy-duty 100% natural neoprene rubber.
 
The Mach II Turbo is also easlly customized to fit your personal kicking style with our variable-thrust tabs on either side of the inner fin.
 
Simply cut the thrust tabs to adjust the power of the fin to your desire.