-with heel cup Patient Selection: Patients seeking the thinnest possible materials, with a dress shoe cut. Indications: Generalized foot pain • Knee pain • Plantar fasciitis • Moderate pronation • Metatarsalgia. Materials: TL-2100 is a carbon graphite composite. This device comes standard with a very narrow grind, a 1/16 “ poron extension to sulcus and is covered with a high quality vinyl top cover.