Fin material:Ultra LightThis lightweight RTM construction draws on the strength of carbon to provide immediate response when loading up the fins and driving through turns. :: Unisex > Surf Accessories. Sweep: 27.7ºEric Terrien's Signature Series SUP finBase: 6.89\ / 175mmGreat turning capabilities and moderate stroke holdDepth: 8.51\ / 216mmArea: 37.99\à‚² / 24507mmFoil: 50/50Multi-purpose SUP fin Size: one size.