FLOW 31 TAIL WINGWe love the efficiency of smaller back wings and want to introduce more riders to the small back wing experience while maintaining the stability theyre used to with a larger back wing. The Flow Series achieves this balance by increasing the fuselage length and reducing the back wing surface area, resulting in a design that can be ridden smaller than Surf, Glide, and Carve Series back wings. 31 Flow Product Description: The 31 Flow Back Wing is medium