For all the rookies out there, that are starting to tear apart the park, HEAD is launching the all-new Black Jack 80 in 2009/10. A slightly more forgiving performance freeski for smooth take-offs and landings – Snake Skin top sheet and killer looks included. Sidecut (mm) / Radius (m): 112-79-106 / 19.1 @ 172. Key Features of the Head Black Jack 80 Bk Skis: Heavy duty twintip construction UHM base Snake skin top sheet Freestyle park/pipe ski Sidecut: 11/79/106 @ 172 Radius: 19.1 @ 172 Dimensions: 163cm/ 111/79/105, 172cm, 112/79/106 Size: 172 cm Color: As Shown Gender: Male Age: Adult