Channel Twin 6'4" Thunderbolt bottom of the board is

bottom of the board is nice and clean

The main new feature is the channels running outside the fins using the twinzer concept to break the water before it hits the fins which has given this board a whole new gear

3 mm to 7 mm height

A board designed with elite level surfers

Channel Twin 6'4" Thunderbolt bottom of the board isCondition: Excellent condition. Some light pressures and a couple of small on the bottom from transport storage Additional Info: This is a used board, and were excited for you to check it out! We do our best to describe the boards condition, including any repairs, features, and signs of use. Please review the product photos and description on our website before placing your order. Were happy to provide additional images, but they may not fully capture