The AdvancedFrame(TM)Convertible is a 15-foot kayak that can be paddled solo or tandem, offering the best of both worlds. Its open deck design allows for easy entry and exit, and optional single or double decks quickly convert it into a closed deck kayak. The rigid bow and stern rib-frame design combine with interchangeable decks and seating positions for maximum versatility FEATURES: Comes with 2 adjustable, high-back, padded seats with inflatable lumbar support Built-In Aluminum ribs and skeg tracking fin 3 layers of materal for extreme puncture resistance Intergrated pressure relief floor valve D-Ring Tie downs