FCS II MB Split Keel Quad Fin Set AW 15/16 Combine that with a bit

Combine that with a bit of research and it turns out there's no shortage of big wave spots being uncovered

50+ UV Protection

Matt 'Mayhem' Biolos's signature 5 fin set for a lively combination of drive

followed by a stitch that doesn’t penetrate all the way through the neoprene

Optimal density

FCS II MB Split Keel Quad Fin Set AW 15/16 Combine that with a bitMatt 'mayhem' Biolos's specialty quad fin set. High surface area quad keel set adds bite and control to hybrid boards with wide tails, without sacrificing pivoting capabilities. Ideal conditions Open face, down the line waves, particularly good in point and reef breaks. Board types Modern fish and hybrid models with moderate to low rocker. Fin material Performance glass Fin specs: Quad Side Base: 4. 63" 117. 4mm Depth: 4. 79" 121mm Area: 19. 27"