One sling three usage modes: harness, safety sling, traditional gun sling.Gun Harness:You can easily transform the Light Harness into a harness that will distribute the weight of the gun across both shoulders and makes carrying the gun a lot more balanced and comfortable just place the support strap over your other shoulder.Safety Sling:In the most challenging situations, you can use the Light Harness as a safety sling. Using it as a safety sling means that your gun will stay steady and safe on your back at all times.Traditional Gun Sling:Connect swivels to each attachment point on your firearm and carry with the muzzle facing either up or down over your shoulder.Weight: 190 g (6.70 oz.)Three different usesRated for use in up to -40C weatherLightweight