Mueller Lifecare for Her Elbow Support Features: Provides superior compression to help relieve tennis elbow pain and discomfort. Designed to help relieve pain associated with arthritis, tennis elbow, and golfer's elbow Conforms to your unique curves Permanently bonded antimicrobial barrier provides protection against odor causing bacteria, fungus and other microorganisms. Won't bind or bunch Description: Mueller Lifecare for Her Elbow Support provides comfortable compression to relieve elbow pain, commonly called tennis elbow (epicondilitis). Excellent for gardening, golf, bowling and all activities involving strain on forearm muscles. Sizes (measure around elbow): 74111 Small fits 7 - 9. 74112 Medium fits 9 - 11. 74113 Large fits 11 - 13. 74114 X-Large fits 13 - 15.