Ergonomic: Refers to the ability of something that provides comfortable operation for the human body structure. This DUTY BELT unit is just that. The inner belt expands and contracts with the outer belt with every move you make, providing utmost comfort through any activity.
No rubbing on upper hip bones
No pulling on lower back
No pinching on the sciatic nerve
No squeezing off blood flow to the lower legs
This product is only sold as a set including both the inner and outer belt.
