Cot Leg Extensions - 12 pcWant to elevate your sleeping experience that much higher? Attach these handy leg extensions and raise your bed or bench to new heights. Fits the Cot One Convertible, Cot One Convertible L, Cot One Convertible Insulated, and Cot Max Convertible. Features: Versatile. Legs attach to your Helinox cot and raise it by 8. 5, transforming it into a loftier camp bed, day bed, or bench. Packable and portable. Packs away into a cinch bag. Advanced engineering.