US Patent 11850501 Protective apparatus with grooves

A sports accessory is provided to be worn by a user during a sport activity. The accessory includes a flexure system. The flexure system includes a support structure including a plurality of intersecting grooves disposed along a surface of the support structure, where a plurality of segments are defined along the surface of the support structure between the intersecting grooves such that the support structure is configured to flex along the grooves with segments moving in relation to other segments during use of the sports accessory.