Optimum air pressure in all conditions, up to 15psi. Sculpted balance flow curves board desing. The item "Aqua Marina VAPOR Inflatable Stand Up Paddle Board 10'10" is in sale since Thursday, July 21, 2016.This item is in the category "Sporting Goods\Water Sports\Stand Up Paddleboarding\Stand Up Paddleboards". The seller is "zolcycling" and is located in Bayamon, Puerto Rico. This item can be shipped worldwide.