Material: Carbon Flex | Box Type: One Tab (Futures) | Two Tab (FCS) | Size: Medium | Front: Outside/Inside: Height: 4.46” Base: 4.45” Area: 14.84″| Foil: Flat | Rear: Outside/Inside: Height: 4.04” Base: 3.76” Area: 11.56″ | Foil" 70/30 | 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.