Size: M (22-25) 【Newly Upgraded Design】: Newly upgraded with a detachable side design, featuring two aluminum strips and two spring strips. You can freely combine them according to your situation, further enhancing the corrective effect and providing more efficient fixation. 【Comfortable to Wear】: Soft silicone is built into the sides to prevent wear and tear. Tension-adjustable Velcro is used on the sides, allowing for free adjustment based on your situation. Breathable clear wave fabric ensures you stay dry and comfortable at all times. 【Easy to Care For】: Made of durable materials, it will not deform even after long-term use. If it gets dirty, simply wipe it clean, and there's no need for special cleaning. You can also wash it with water and dry it in a well-ventilated place.