JS Hydroglass Upright FCS II Tri Fin Set Fin Size:Medium the flex a little stiffer

the flex a little stiffer and overall more reactive compared to standard PC construction

The 148 Havoc carves a tighter

2x2 ribbed

with a soft stretch cotton blend that moves with you

Polyester foam-backed front panel

JS Hydroglass Upright FCS II Tri Fin Set Fin Size:Medium the flex a little stifferFrom JS This fin provides ability for tight turning manoeuvers and gives immediate speed generation in weaker conditions. Best in beach break style waves for pivotal turns and pocket surfing. Available in FCSII and Single Tab. Our HydroGlass fins are made with polyester resin and 34 layers of glass. This construction is great for generating speed and providing drive. The consistent flex allows for smooth rail to rail surfing during turns without