Product Description The Biceps-Triceps Helix bicep tendonitis brace is ideal for management of injuries to your upper arm muscles and tendons, enabling you to play through minor pulls/strains/tears/spasms and whatever else you may call the pain you want to manage.Comfortable enough to wear for even your longest workouts, the Biecps-Triceps Helix will never slip or need to be readjusted, so you can concentrate on the task at hand. Ideal For: Biceps and triceps strains Prevention of re-injury Support for a full-thickness biceps tear (Popeye arm) Highlights: Locks to your skin, so it won't slip Uniform, medical-grade compression No bulky straps and buckles Machine wash and dry Closed-cell foam core that won't absorb odor and bacteria Specs: 3 mm thick 20-30 mmHg compression level Closed cell synthetic rubber core High-stretch fabric inside and outside layer Latex free Six-thread flatlock seam Proper fit is important Please see sizing chart in product pics above Please measure your upper arm at its largest circumference.