MID ENDURANCE RACE WING 19.375" X 6.5" Whether you are paddling a Surfski or a skinny race kayak, as described above, powerful and forgiving. If you are currently using an older generation wing in the 20" -21" blade length range you will be blown away by the feel, and greater power of this new shape. Perfect for racing and fast paced fitness paddling ... The industry standard for racing profiles.