Protects your back from the hard work of civil engineering and construction. ● Uses breathable mesh material that prevents stuffiness even when you sweat. ● Made with stretch material, allowing you to freely adjust the tightness. ● Narrow belt width, does not compress the abdomen. 《Uses》 ● To reduce the burden on the lower back from tasks such as working while bent over or the weight of tools. 《Specifications》 ● Size: M ● Waist (cm): 70-85 ● Width (mm): 185 ● Length (mm): 900