Take advantage of our NEW knee brace with a SIDELOAD spring feature allowingless load pressure behind the knee. We have also added a new 3-point adjustable spring load tension button that can increase or decrease how much pressure is put onto the spring. Yes! One size will fit most legs. The length of the brace and both upper/lower straps are fully adjustable. The circumference is 34 inches, and the straps are a flexible material that can fit leg sizes over 34 inches. Our braces can be worn comfortably under or over pants without giving you a rash or burning sensation behind your knees. 1 pc/ 2pcs Knee Support Brace Material: ABS+EVA+Hsinchu cloth+OK cloth (black)+velvet (gray) Would you like to stand easier, walk lighter, run faster, jump higher, and lift heavier than ever before? The ShiftKneebracefunction as shock absorbers foryour legs and knees, allowing you to bounce back to life and spring into action. The brace providesoptimal support and stabilityfor those with knee pain, sprains, and strains, including ACL/MCL injuries, inflammation, soreness, and tendinitis. Dont have knee pain? Lets keep it that way! The brace protects your knees and enhances yourpower like never before. Itsnot just a recovery tool, its a performance tool. The Power Knee Joint Supportlightens up to 40kg (88lbs) of pressure from a persons own weight.Its like walking on the moon. Your legs have never felt so light. Standing up has never been so easy. Put the pep back in your step and enjoy the freedom togo anywhere and do anything. Proven toreduce knee pain and improve performance within 30 days Do you play sports or engage in physical activity? Lift heavy things on the job or around the house? Sit or stand for long periods of time? Or just want to be Superman? The Power Knee Joint Support is designed for all ages, genders, and body types, including those with and without pre-existing knee problems. Wear it anywhere: working, exercising, driving, walking, running, hiking, gardening. Your imagination is the limit. The Power Knee Joint Support is the worlds first knee bracethat uses a spring-loaded systemto providesignificantly enhanced lifting power. Engineeredwith breathable, moisture-wicking, non-slip technology, youll never have to worry about the brace shifting or itching. Designedwithinfinitely adjustable FlexFit straps to perfectly fit any knee size, no matter how big or small.Comfortably wear it under or over your pants.