Futuro&Reg; Sport Features: Two Adjustable Straps For Custom Fit And Level Of Support. Comfortable Neoprene Blend Helps Elbow Retain Warmth. Helps Relieve Stiff Or Sore Elbows Durable Materials For Support, Warmth And Comfort Futuro&Reg; Offers A Wide Range Of High Quality Products. Each Is Designed To Offer Optimal Support, Comfort And Fit. Developed In Collaboration With Physicians, Surgeons And Medical Specialists. Size: For Right Or Left Arm, This Elbow Support Has Been Designed With Adjustable Straps In Order To Create A Customized Fit For Most Body Types. Measure Around Elbow. Adjust To Fit 6.5 - 13.5 In 16.5 - 34.3cm. Futuro Guarantees Its Products To Be Of The Highest Quality. If You Should Receive A Defective Product, Please Wash And Return It For Replacement Or Full Replacement Value.