Small high-speed training fins,design to maximize the propulsive forward force within a swimmers optimus kicking amplitude at a desired rate. Red: For competitive and aggressive Masters swimmers. Swimmers with excellent ankle flexion. Blue: For fitness and long distance competitive swimmers. All swimmers with limited ankle flexion.
A - Men 1-2 A-Women 2-3
B - Men 2-3 B-Women 3-4
C - Men 3.5-5 C-Women 4.5-6
D - Men 5-7 D-Women 6-8
E - Men 7-8.5 E-Women 8-9.5
F - Men 8.5-10 F-Women 9.5-11
G - Men 10-11.5 G-Women 11-12.5
H - Men 11.5-13 H-Women 12.5-14



