Breathable Neoprene --- This SI belt is made of lightweight breathable neoprene material with a ventilated hole structure and soft material that makes it comfortable to wear; It can be worn under or over the garment to accommodate different body types. It is ideal for training and everyday use, but does not encourage strenuous exercise during recovery. Benefits to Customers --- Relieve sciatica, pubic pain, limit joint movement and promote correct alignment of the pelvis, walk out of the false squat width, optimize exercise and musculoskeletal function to prevent lumbar back dysfunction. Dual-Layer Straps --- Internal straps offer you the best fit whether you're working or resting. The outer elastic fish bands help to stably support and stabilize your sacroiliac joint. It allows you to customize the strength to your exact requirements. Anti-slip Strips Design --- The sacroiliac pelvic belt has two anti-slip strips that can keep it in the right place; it helps prevent the SI sacroiliac belt from slipping up and down when walking, sitting, or standing. Stabilize Joints, Relieve Pain --- This sacroiliac belt helps stabilize the sacroiliac joint (or "SI joint"); This sacroiliac belt helps restore and maintain posture and reduces sacroiliac function. Symptoms of sciatica such as pelvic, waist or leg pain increase strength and provide needed pain relief.