Boss Up 7'2" Thunderbolt This fin is built for

This fin is built for powerful sweeping turns and solid noseriding

A couple of light cosmetic cracks in the gloss coat on the deck along the stringer

The depth and outline of the fin with the more standard all around performance profile for the top 2/3 of the fin allow for speed and down the line stability

it's an acceleration machine

with a slightly wider nose area

Boss Up 7'2" Thunderbolt This fin is built forCondition: Brand New Description: The Firewire Boss up is the bigger brother of the S Boss, Kelly's first ever midlength. Designed by Dan Mann in partnership with Kelly Slater and Kevin Schulz, this utility midlength is the most well rounded and versatile shape in the Slater Designs range, crafted to cruise across weak wave faces and grind through cavernous overhead tubes. The Boss Up is the board you would travel with if you could only bring one