Made of latex free TriTex. This model has been designed specially for pressure sensitive patients. The TriTex material effectively absorbs pressure from straps or splints and ventilates the skin. Provides an effective support for the thenar eminence and helps the thumb in abduction. An adjustable thumb grip.Indications: Slight to moderate instabilities and/or pain in the CMC or MCP joints, rheumatic athritis or post trauma. Measurement: circumference of wrist, cm.