FCS II MB PG Split Keel Surf Fins jones PrimaLoft® Silver insulation (60g front

PrimaLoft® Silver insulation (60g front and back body) repels moisture while trapping heat to keep you warm in nasty conditions

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

Durable polyurethane backstay

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Firewire's proprietary parabolic rail construction

FCS II MB PG Split Keel Surf Fins jones PrimaLoft® Silver insulation (60g frontTech 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,