Shapers Fins: MB1 Matt Banting - Hybrid Stealth Truster - Medium Flex ? The MB01 is Matt Banting's signature fin model, purpose built to enhance Matt's fast and critical approach to surfing, from busting airs to open face carves. The MB1 has an upright template which gives additional pivot for tight pocket surfing and quick transition between turns. A great option for delivering speed in sluggish conditions and allowing fin release for new school airs. DETAILS: Thruster Set - 3 Fins Medium: 145-175lbs Depth: 4.29" (109mm) Base: 4.49" (114mm)