Synthetic Action Form for a durable outer shell with elite structural stiffness Heavy duty microfiber liner for comfort and durability Low profile interface outsole to maximize energy transfer Anatomical response footbed designed for support, comfort, and durability Felt Tongue with lace bite protection that offers comfort and protection SpeedBlade 4.0 holder that increases attack angle by providing greater strides and cornering SpeedBlade Stainless steel runner that provides a long lasting edge for long term performance CCM JetSpeed 270 Senior Ice Hockey Skates, 11.0 MS1333522 MS1333522 888162477713