CCM Jetspeed FT390 Shin Guards feature a lightweight shell design and hinge system for mobility and protection. Molded PE calf protector for protection and fit. Anatomical shin caps with vented knee cap for protection. Molded PE foam for protection at the thigh. Upper lock strap with comfort cushion + new adjustable calf strap for a customizable adjustment for fit for all calf sizes. Molded PE Foam / Removable Dryfoam liner for a custom fit, easy maintenance, and protection.