AUBBC Patella Knee Belt Arthritis Support Brace Guard Stabilizer Strap Wrap 1.Patella Support has a tubular buttress encased in durable Neoprene/Silicon 2.Compression Straps contoured multi action infinitely adjustable Velcro 3.Unique silicon innovation technology for increased protection, compression 4.Technology removes excess perspiration and allows breathe 5.Open knee design: Alleviate pressure and reduce knee-joint fatigue from intense exercises and heavy work.