Not all SplitFins are the same.
SplitFin Sizing
(Full Foot)
Splitfins come in a variety of shapes, sizes and stiffness. These contribute greatly to
overall comfort and performance. A fin with short, soft blades will kick easier than a
Men’s USA EU
longer, stiffer one, but will require many more kicks to travel the same distance. A blade
4.5 - 5.5 37 - 38
that is too stiff will require too much effort to kick comfortably. The Atomic SplitFins
6 - 7 39 - 40
were specifically designed to optimize all these variables. They are easy kicking fins that
7.5 - 8.5 40 - 41
deliver high thrust, speed, and efficiency with a comfortable, low frequency kick cycle.
9 - 10 42 - 43
How to swim Atomic SplitFins.
10.5 - 11.5 43 - 44
12 - 14 45 - 46
Don’t worry about how easy the SplitFins are to kick. There is nothing wrong, you’re
probably already going just as fast as you did with your old fins. Although they work
with a variety of kicking styles, you should adapt to a smaller range, more frequent
SplitFin Sizing
flutter kick for maximum performance.
(Open Heel)
Men’s USA EU
The smaller-range rapid flutter kick also keeps your legs within the slipstream of your
Small 5 1/2 37 - 38
body so that you punch a hole in the water that is only as big as your shoulders and
your tank. Remember, less drag means more speed and less effort.
Medium 6 - 8 1/2 39 - 41
Large 9 - 11 42 - 43
XLarge 11 1/2 - 13 44 - 46
RESULTING LIFT
(FORWARD PROPULSION)
CONVERGING WATER JETS
OUT CENTER OF THE SPLIT
FOR ADDED PROPULSION
LOW PRESSURE
SIDE OF BLADE
HIGH PRESSURE
SIDE OF BLADE
44
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