Bulgarian Cat in Bulletproof Layup 57" (1450mm) long. What makes the Bulletproof special is the way the material is layered. They sandwich carbon fiber and carbon kevlar fabric, and between they laminate hard shells of the Airex type. The result is an extremely strong hull that isn't weight down with lots of extra epoxy. This is why these are used in record-setting competitions around the world. Comes as a bare hull with canopy. Includes: (1) Bulletproof bare hull Requires: Painting and assembly. Specs: Length: 1450mm (57") Width: 380mm (15") Bare Hull Weight approx: g Bulletproof - A sandwich of carbon fiber and carbon kevlar fabric, and between them we laminate hard shells of the Airex type. The result is an extremely strong and light Hull, which they use in record-setting competitions. IMPORTANT NOTE: This hull is NOT actually BulletProof. The hull is named the Bulletproof by the manufacturer due to its extra strength.