Body Armor® Night Splint, One Size Fits Most, 1 Case of 12 Arthritic Gloves Epi Lock features a unique patented Style:Right Ear Epi Lock features a unique patented 2 strap system * The strap near the elbow supports deeply buried extensors and works with the forearm strap to provide exceptional support and pain relief * The non elastic straps are worn comfortably snug * When muscular force is applied the extensors automatically enlarge causing the straps to tighten * Universal left or right * Measure forearm circumference for sizing * Fits 12 15 circumference * HCPC: NOT COVERED carbon film lightweight design that is cooler and more comfortable than traditional posterior splints Fits right or left foot