Optech super classic strap black pro loop for the photographer or birdwatcher carrying a heavy camera or binoculars the super classic strap is a great option it has the same tailored design as the popular classic strap however it adds the patented internal control stretch system found in our sos strap in addition to our non slip grip this combination is ideal for the individual wanting a narrower strap design that has the needed strength and comfort features required for handling a hea