They feature comfort and security, with easy donning. These models include connections for an optional derrick belt, which provides comfort while positioning for the next drilling pipe. The original comfort fit harness, with a single piece of material that wraps around you in the shape of an X. It dons without tangling and provides comfortable security. ExoFit remembers your adjustments. Snap three buckles and you´re ready to work. Shoulder, hip and leg padding is built-in so it can´t slip.