Ideal for back strains and arthritic conditions . Designed to provide support during activity to help relieve sore and aching backs. Lightweight with breathable fabric for comfortable all-day wear 4 supportive metal stays conform to your back and provide firm lumbar support . Unisex design provides a comfortable fits for men and women . The two firm elastic double-side pulls , provide adjustable compression and support around the lower back area . These straps make applying the right pressure easy.