Johanne’s board is suitable for groms over 155cm and adults under 181cm. This model SmoothStar is ideal for the surfer who is of average height and who wants to perform all the carving maneuvers such as: Round House Turns, Drawn out Carves and Grab Rail turns. The 31 inches Johanne Defay Pro model has been closely developed with female Pro Surfer Johanne Defay and mimics her powerful carving surf turns. The 31 inches model has the deepest concave of all of the smaller high performance models under 33 inches. The deeper concave enables riders to hold the rail more than other models and helps maintain compression through the turn, just like surfing.