Adjustable extra-wide back support strap, lumbar support, relieves back pain, breathable waist support, self-heating waist support

3D Knit Technology: 3D knit technology ergonomically provides maximum comfort and prevents lower back injuries. Stylish Design: Take a look at our back support and you'll find it's unique on the market. Ergonomic Structure: 4 pillars in the back support and protect your spine and surrounding muscles. Super Breathable: Made of high-quality polyester that releases heat and moisture, the back support straps are extremely breathable. Ultra-Lightweight: Unlike other bulky lower back supports, it provides great support without restricting movement.