Drift for Optimist, made according to the new gauge, in epoxy and polyester. A quality finish and the maximum thickness to guarantee increased rigidity. Prevailing for regatta use. Drift for Optimist, made according to the new gauge, in epoxy and polyester. A quality finish and the maximum thickness to guarantee increased rigidity. Prevailing for regatta use. Epoxy Optimist One Design Racing Daggerboard Optiparts DESCRIPTION Optimist One Design Racing Foils from Optiparts Are Built According to the New Class Rules. Class Rules have standardized Optimist Daggerboard and Rudder: size, shape, epoxy, fiberglass. Both optimist rudder and daggerboard are made to the maximum allowed thickness to create a foil as stiff as possible under the given rules. The One Design Optimist Daggerboards Are Fitted With Nicely Finized Teak Wood Battens.