FCS II MB PG Split Keel Surf Fins jones Firewire's proprietary parabolic rail construction

Firewire's proprietary parabolic rail construction

The impregnated material works to minimize calk build up for top glide performance

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The split-specific flex pattern and camber under-foot provides stability in all conditions and excellent edge-hold for the way up

Funformance design by Jon Pyzel and John John Florence

FCS II MB PG Split Keel Surf Fins jones Firewire's proprietary parabolic rail constructionTech Overview Matt 'Mayhem' Biolos's specialty quad fin set. High area quad keel set adds bite and control to hybrid boards with wide tails, without sacrificing pivoting capabilities. Board Types Designed to fit the FCS II Fin System. Recommended for all board types including modern fish and hybrid models with moderate to low rocker. Performance Glass Performance Glass (PG) fins are machine cut from layers of solid fiberglass. These fins are stiff,