About Advanced Elements Advanced Frame Convertible 2 Person Kayak The Advanced-Frame Convertible Kayak is a fifteen-foot kayak that can be paddled solo or tandem. With an open deck design, you can easily enter and exit the boat or utilize the optional single or double decks to convert your Advanced-Frame Convertible from an open deck to a closed deck kayak in a matter of seconds (see SKU: AVEDC). The design of this kayak combines Advanced Elements rigid bow and stern rib-frame design with the versatility of tandem or solo seating positions and interchangeable decks. The boats hull design has built-in aluminum rib-frame technology that defines the bow and stern for superior tracking and performance! Boat is durably manufactured from 3 layers of material for extreme puncture resistance