Boss Up 7'6" Thunderbolt This fin works great on

This fin works great on mid-lengths

The design has a bit of volume forward and a low entry rocker so it has a nice forward trim feel on an open face or in small conditions

a few small ones on the bottom

or a board for those head-high

Boss Up 7'6" Thunderbolt This fin works great onCondition: 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