Description Matt'Mayhem' Biolos's signature template delivers a lively combination of drive, hold and manoeuvrability. This versatile fin will feel reliable out on the open face or tight in the pocket. FCS Fins Specifications Total Fins: 3 Fin / Tri Set Size: Medium (65 - 80Kg / 145 - 175 Lbs) Material: Performance Core / Carbon Color: Black / Green Base: 4.30" / 109mm Depth: 4.59" / 116mm Area: 14.49² / 9347mm² Sweep: 31.7° Foil: Flat FCS Performance Core Carbon (PCC) Performance Core construction with hand laid carbon fiber designed to deliver controlled flex and enhanced base stiffness.We Carry A Full Line Of FCS Fins Here. The item "FCS II MB Matt Biolos Tri Surfboard 3 Fin Set Perf Core Carbon Medium New" is in sale since Thursday, April 13, 2017. This item is in the category "Sporting Goods\Water Sports\Surfing\Surfboard Fins". The seller is "ratz_azzz" and is located in Los Angeles, California. This item can be shipped worldwide.