Material: Hexagonal shaped foam, glassed in resin | Box Type: One Tab (Futures) | Two Tab (FCS) | Size: Medium | Side Fins: Outside/Inside: Height: 4.5” Base: 4.35” Area: 14.62″ | Foil: Flat | Centre: Height: 3.85” Base: 3.82” Area: 11.07″ | Warranty: All RYD fins are guaranteed for one year against factory and material defects and workmanship | Care: Rinse fins with freshwater after your surf to flush away sand which may damage the fins or fin box. Always remove your fins and place them in a fin wallet when travelling.