Optics tend to skew especially as they are jostled about. Usually, you can't help it, but this time you can. The ALPS Bino Harness X is made to utilize the least jostling part of your body, your chest. Tough 1680D ballistic nylon fabric will guaranteed keep your optics safe. There's even a lens cloth included to keep your optics spotless and ready to use at a second's notice. The easy to use one-handed opening mechanism sees to that quick access.