Description K4 Fins front surf fins are available in L, M, S and XS in both FCS1 and Futures. Fronts are sold in pairs for £25.90. These fins work great in kite boards, SUPs and grovellers with their extra base width and area. SURF – Fronts. SIZE HEADS AREA CHORD DEPTH LARGE FUTURES/FCS1 107 11.7 12.1 MEDIUM FUTURES/FCS1 101 11.4 11.7 SMALL FUTURES/FCS1 93 10.8 11.2 X-SMALL FUTURES/FCS1 83 10.5 10.8 (All areas are cm², all lengths are cm)
