The best professional harness on the market: SAFETY AND COMFORT. Professional harness with alluminium frame for controllable width. Made of padded nylon with reinforcing seams and light alloy frame that allows you not to be "crushed" by your own weight. The best harness to be able to work comfortably on the masthead for a long time, thanks to the frame with the lifting fulcrum centered to give a great feeling of balance and stability.