Versatile 107-mm waist handles a variety of conditionsRockered tip and tail and traditional camber underfootMade in Austria with a pre-preg fiberglass layup and poplar coreFlat-top construction for increased power and torsional stiffnessSidewall dampening system for reduced chatter in firm conditions Optimal Use: 60% soft snow, 40% hard snowMounting Specs | Black Diamond Equipment Boundary Patrol 107 Ski Size 176 cm