The Advanced Frame? Convertible Kayak Is A Fifteen Foot Kayak That Can Be Paddled Solo Or Tandem. With The Optional Single Or Double Decks You Can Convert Your Advanced Frame? Convertible Kayak Into A Solo Or Tandem Kayak In A Matter Of Seconds. This New Design Incorporates The Rigid Bow And Stern Frame With The Versatility Of An Interchangeable Deck. Includes Duffle Bag, Repair Kit, Folding Seats.