The McDavid knee brace with polycentric hinges and cross straps is suitable for prevention of and recovery from MCL and ACL injuries. It boasts level 3 maximum protection and has bi-lateral geared polycentric hinges with hyperextension stops ensuring excellent support and allowing you to move freely. The professional-quality brace offers more comfort thanks to its seamless and perforated back panel as well as 4 elastic crossing straps. There is a secure hook and loop closure and a padded buttress supporting patella. Plus, the outer heavy-duty nylon fabric makes for great durability. This model is latex-free and will fit both left and right knee.