Surface area is buoyancy. Buoyancy is your friend. The X-Caliber combos are designed with high-end tech for the most efficient sidecut found in two skis. The additional surface area under foot adds stability and keeps the skis riding.
59" combo comes with Small Cruise bindings (US Men's size 4-8)
67" combo comes with Standard Cruise bindings (US Men's size 7-11)