Flex is the stiffness of the board between the front and rear. The flex of the Endzone 400 Jib is about 2/5, which is flexible and forgiving. This type of flex is very consistent from the nose to the tail, offering predictable performance and cornering with no surprises. This flex, which is designed for freestyle, is ideal for playful snowboarding on the flat (ollies, nollies, butter, nose roll, etc.) . But it is also suitable for beginner snowboarders.