Material: Fiberglass | Box Type: One Tab (Futures) | Two Tab (FCS) | Size: Medium | Side Fins: Outside/Inside: Height: 4.57” Base: 4.40” Area: 15.16″ | Foil: Flat | Centre: Height: 3.85” Base: 3.82” Area: 11.07″| Foil: 50/50 | 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.