- fabric-and-synthetic Made in the USA or Imported Rubber sole Rearfoot GEL technology cushioning: Improves impact absorption and creates a softer feeling at footstrike. Jacquard mesh upper: Improves airflow. OrthoLite sockliner: Offers excellent step-in comfort. Flex grooves in the outsole: Improve flexibility. Synthetic stitching on the overlays: Improves support.