The new Aeon Cuff Soft Black is now higher for more support with overlapping and interlocking front wings for increased stability. with added flex cuts on the top and a height-adjustable rocker hinge spacer to customize the height to your personal preferences. This is the 'Soft' edition for more flex and comfort on longer skating sessions. made out of a Nylon plus glass fiber composite. The cuff fits perfectly on both USD Aeons and Powerslide Swell skates.