Arbor Cosa Nostra Snowboard - in stock now. FEATURES of the Arbor Cosa Nostra Snowboard Inlaid power ply improves strength and durability Arrowhead tips offer exceptional float; designed specifically for powder Stainless steel tip protector 2x4 14-pack inserts provide a wide stance range, and also allow for critical micro adjustability Reclined parabolic rocker Highland core Mixed glassing is a triax over biax lay–up that is best for versatility: pow, backcountry, groomers, jumps, and more 360 Rails is a 360–degree, fully wrapped sidewall that eliminates the need for tip fill, while effectively tying the whole snowboard together and provides improved board life and durability Sintered base provides a higher molecular weight for added durability and speed