Inspired by the industry leading technology of the Sozo, the Ion makes use of the same cutting edge sandwich construction technology as its big brother. The all foam Ion kneeboard is lightweight and incredibly flexible. This flexibility allows for easy turns, setting edges, and soft landings. The Ion is extremely fast, maneuverable, and incredibly forgiving with its clean shape and progressive rocker line. Includes padded adjustable strap, hand-turned bevels, and deep shock absorbing knee wells. 51.4" x 21.9". Tip rocker: 3.4". Tail rocker: 1.8". Belly: 0.5".