The ProFlex fit sets are Arcade's Pro Model fin sets. They feature carbon at the base, curved thoughtfully so that you get maximum drive out of the base of the fin, and positive perfect flex out of turns.
Medium: Base – 4-5/16”, height—4-3/8” & rake—6-1/8” – best for surfers from 100 lbs up to 170 lbs.
Large: Base—4-7/16”, height—4-9/16” & rake—6-3/8” - surfers from 150 lbs to 210 lbs.
Now available in FCSii keyless base