Amazing Knee Booster: This is the newest technology about knee booster joint support pads. No longer warry painful knees and joints causing your steps to feel heavy and burdensome, keep steps lightness! Powerful Spring Force: Each pad can withstand a weight of up to 20 kilograms. It can lighten about 40kgs from your own weight! Makes you feel light, easily lift each knee in climb stairs, ride, and exercise without any effort. Strong Lifting Power: Three sets of springs that support your thighs and calves, effectively reducing knee pressure. This pair of knee pads is a breakthrough product thatâ€s made to let you perform daily tasks more efficiently and comfortably. Comfortable and Breathable: Made of breathable and absorbent mesh and non-slip fabric, it will be very comfortable whether worn directly wrapped around your bare knees or over your pants. Healthy Living Choice: Paste with velcro, easy to wear, and adjustable in size. Keep lightweight relax with the help of power lift joint support knee pads. Let it be your new best friend for your active lifestyle!