The New Fish BoneLite Series is the Ultimate Pro Level Series. It features our new Surlon Structural Support Unit, which allowed us to reduce the weight, without sacrificing the structural support. Keeping this in mind, we not only reduced the weight, we improved the Fit and Comfort. The custom Accu Aire ventilation system not only results in Comfort, it helps to manage moisture as well the Backbone of the Fish BoneLite Series is the Fit and Comfort. The Advanced Technology of this boot, is unparalleled to any skate we have ever made. You will feel the difference immediately in the way the Boot cradles your foot, without pain. New Improved composite comfort fit system, ACCU AIRE ventilation for comfort and moisture management. Custom lateral support stabilizer, DPS system, and lower center of gravity.