XO Coco Twin + 1 Futures collaborated with North Shore professional surfer Coco Ho on these twin +1 fins for Coco ’s surfboard label XO COCO . XO COCO is a surfboard company designing equipment specifically for and with women. The new Coco twin + 1 fins are designed with smaller surface area for women and smaller surfers. Built in solid fiberglass construction. Construction - Fiberglass