SG-Training Fit #1 Compression Wool - Cotton Warming Belt - Relieves Back Pain - Supports Lumbar and Muscles - Optimal Compression - for Men and Women. PERFECT SIZE SG - Training Fit elastic warming back belt is 11 inches long and fits around your torso. BEST MATERIALS It has a structure of triple interweaving, the grey side of which is made out of semi-wool material, the off-white side is made of cotton. For heating effect it is advised to be weared with the grey side against the body. For massage effect wear the belt with the cotton side against the body.You may adjust the width by rolling up the belt to the most comfortable size. If you would like more compression take out 2'' from your waist measurements. For sensitive skin wear the belt over clothing.AWESOME THERAPUTIC RESULTS Medical grade effect: prevention and treatment radiculitis and neuritis, spinal degenerative dystrophy.USED BY athletes, people with excessive sitting or standing daily routine, people with temporary or chronic back injuries.We offer same sizes for both men and women, according to personal measurements.For sizes 4,5,6 and 7(special order) contact seller.GUARANTEEDYou really have nothing to lose. If your back is not saying 'Thank You' to you, just let us know and weÕll make it right. No problems, and no worries, guaranteed.YOUR BODY DESERVES THE BEST.