The CCM Ribcor 40K Hockey Skate features an Elite Synthetic Upper for lightweight structure and enhanced forward flexion. The Core of the skate contains a lightweight elite synthetic core for fit enhancement. The liner of the 40K is brushed nylon fabric that is lightweight and comfortable. A low profile outsole features injected plastic to maximize energy transfer. The CCM footbed is designed for comfort and support with a 2-piece tongue that is made from Felt for comfort and durability in prone ankle areas. The SpeedBlade 4.0 Pro is used which is a non-replaceable stainless steel that has a lasting edge and takes advantage of the 4mm rise to increase the angle of attack and turning radius.