The new Tacks 9060 skate features MetaFrame Quarter Package Technology, the SpeedCore 1 Core and all the comfort and support you need to dominate on the ice. Our all-new MetaFrame technology is an ergonomic boot shaping system providing the best fit for this segment. SpeedCore 1 Stiffness is a lightweight, rigid and thermo-formable material that helps generate excellent performance. HD Micro Fiber with Durazone abrasion protection. Offers high resistance to wear, while providing comfort and durability.7mm felt with embossed lace-bite protection. Reinforced layers for increased comfort and protection. Concave Reinforced injection with Exhaust System. A rigid design that helps provide an easier energy transfer. Anatomical response provides support and comfort.SB 4.0 provides proven durability with increased attack angle for greater strides and cornering. Our SB Stainless provides a long-lasting edge for long-term performance.