www.boatstogo.com New design AirFast inflatable kayaks are made of 1100 deniers high-pressure drop stitch PVC fabric that can take up to 10 psi air pressure. Once inflated, this kayak become very hard and sturdy. In fact, it can be also used as a stand up paddle board. What makes this kayak unique is its portability and easy of paddling. AirFast kayak comes with large surfboard fin that makes it breeze to paddle, assist with tracking, and make this kayak great for surfing ocean waves. Portable size of AirFast kayak makes it great for travel.