Leg Loops | Harness Make sure to adjust your leg loops on your harness appropriately, as on some harnesses these can loosen over time. The weight distribution on a climbing harness is around 70/30, where 70% of the load goes into the leg loops. Also referred to as a sit harness. Of the leg loops were to drop to behind the knees, there is the potential to fall where the legs get pulled up too high and the potential to flip. So check the elastic leg loop adjusters. | Rise and Summit