Alder Rocket fins are a great entry level alternative to the more expensive performance fins.

Similar in shape and construction to the Churchill Makapuu (Top End) but still with the soft foot pocket and ridget outer fin to give paddle power.

Sizes

XS - (3 - 5) UK 
S   - (5 - 7) UK
M  - (7 - 9) UK
L   - (9 - 11) UK
XL - (11 - 13) UK