Eliminate Pain Instantly: The FREETOO back brace with support struts includes 4 memory aluminum brackets. The support force is 4 times greater than that of PP, and there are 2 steel springs on the lumbar side, providing 360 more support to the waist and relieving back pain from arthritis, herniated discs, sciatica, and spinal stenosis, scoliosis, ankylosing spondylitis, etc. Strongest Support: The elastic straps of the back brace are made of 4 times stronger stretch yarn, which easily provides additional compression around the back. Lower back pain for men and women during heavy lifting, prolonged standing or sitting, golf, housework, gardening, working, etc. Most Breathable Air Mesh: The brace's air mesh channels provide all-day comfort, even during the hardest work. This lumbar back brace is made of 4-way stretch technology, which is lightweight and gives you ultimate support when worn. It provides a baby-skin-like, silky feel under the wraps. Perfect for back surgery recovery. Maximum stability: Two non-slip silicone straps on either side of the waist prevent the back brace from slipping when sitting, bending, or during daily activities. The wide Velcro closure with two elastic bands ensures maximum stability. It is made of PVC, a material commonly used for baby clothing, and will not scratch your skin or damage your clothing. Choose your size - The sizes of this Freetoo lumbar back brace are as follows: S: Fits your waist circumference of 27-36 inches. M: Fits your waist circumference of 36-44 inches. L: Fits your waist circumference of 44-53 inches. XXL: Fits your waist circumference of 53-56 inches. Measure your waist (belly button) and never choose based on your pant size.