Firm Level 2 elbow support for adults, featuring Aerotherm neoprene for heat retention and airflow and an adjustable tension strap for targeted compression. Ideal for racket sports, golf and repetitive-activity jobs, it helps reduce discomfort from strains, sprains, arthritic pain and muscle injury. Material: 80% neoprene, 15% nylon, 5% elastic. Available in S, M, L, XL. Size guide: measure around the elbow with the arm straight — S 22–25 cm, M 25–28 cm, L 28–31 cm, XL 31–34 cm.