S4 Gear Lockdown Hands Free Adjustable Binocular Harness for use with Leupold, Nikon, Swarovski, Bushnell, Canon Etc - 2 Sizes COMFORTABLE - Adjustable breathable harness is lightweight for maximum comfort and fit SECURE - Pliable cover and stretch Shock Cord securely fasten your binoculars for safety and quick access TENSION FREE GLASSING - Allows you to draw your binoculars to your face without tension ANTI-BOUNCE TECHNOLOGY - Safely secures binoculars to your chest preventing them from swinging or bouncing FITS OPTICS - 6" to 7.5" in length. Also available in Micro Size for smaller binoculars