The has by far the most aggressive bottom shaping ever used on a surfer. The result is one of the most dynamic rides ever made that's free and maneuverable at the top of the wave and has rocket boosting speed on bottom turns. The twin fin setup minimizes drag for chasing the pocket and breaks free off the lip. An aggressive wing feature off the rail breaks the flow of water in the tail for lightning-fast maneuverability.• Surf-style design• EPS foam core with 5mm stringer• Epoxy construction• Quad channel shaped base• Twin Futures 3.1" fins• Skill Level: Advancedtable, th, td {border: 1px solid black; border-collapse: collapse;}th {text-align: left;}th {padding-left: 6px;}td {padding-left: 6px;} Volume Length Width Weight Range Jet 4.7 16.2L 4'7" 20.6" up to 200 lbs. Jet 4.10 17.3L 4'10" 20.8" over 180 lbs. Rocket boosting speed on bottom turns Twin fin setup minimizes drag for chasing the pocket An aggressive wing feature for lightning-fast maneuverability | Jet Wakesurfer size 4FT7IN