Lumbar Support: Along the two side of spine, do not have positive contact with the vertebrae, focus on protecting the L4 L5 S1 Lumbar vertebrae.
Muscle Strain Relief: 2 nylon bars support the lumbar muscle in the waist to relieve strain and soreness.
Pulley System: Adjust the back support to the exact position and pressure for your needs.
Designed to allow natural movement while providing comfortable support.
Detachable, Washable, Breathable, non-Neoprene, non-Elastic knit fabric.