These skates feature a composite mesh outer layer, providing for a stiff and durable boot. This is paired up with a heavy-duty liner on the inside that has a high wear resistance. Additionally, the RibCor 66k Hockey Skates feature the 7mm felt tongue with lace-bite protection, offering increased comfort and protection. The RibCor 68K Hockey Skates also come equipped with CCM’s SpeedBlade 4.0 holder and stainless-steel blade, providing players with an increased attack angle allowing them to skate faster and turn sharper. If you are a player looking for a comfortable and high-quality pair of skates, look no further than the CCM RibCor 66k Senior Ice Hockey Skates!