The celestron binocular harness strap alleviates neck strain caused by traditional neck straps when used for extended periods of time because it distributes the weight of the binoculars over your shoulders and upper back the harness strap allows for hours of comfortable viewing even on long hikes or nature walks rrwith fully adjustable flexible straps this harness fits a wide range of people and can even be adjusted to fit over heavy winter jacketsrrfeaturesr reduces neck strain by even