How to Choose Scuba Diving Flippers( Fins)
For such an apparently simple device, choosing scuba diving flippers or fins is a surprisingly complicated process.
Like shoes, scuba flippers have to fit well in order to be comfortable and function properly.
Unlike shoes, you don't generally wear socks to help adjust the fit and you aren't usually somewhere you can change to another pair if yours aren't right. So make an effort to get it right the first time.
Scuba diving flippers have to be stiff enough to provide good thrust, but flexible enough to not wear out the leg muscles too quickly. Getting that balance right is a never-ending challenge for designers and divers, since every fin and diver are unique.
One relatively recent approach to that problem has been the development of split fin styles.
The traditional scuba fin is a large continuous web about 16 inches long and eight inches wide at the tip though length and width variations are common and sometimes extreme. Split fins often have similar dimensions but add a space up the middle of the fin.
Split fins make it possible for the diver to produce thrust with less effort, though they can reduce maneuverability.
Many scuba diving flippers are designed to float so that if they fall off they can be more easily retrieved at the surface. But, fins that are constantly pulling your feet up make maintaining neutral buoyancy difficult.
Last, consider whether you want full fitting scuba diving flippers that rise up over the ankle, what sort of insert you want (booty or not), and whether a quick release clasp or regular heel strap is desired.
All these convenience and comfort factors can help push you to one model versus another.
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