Circumference: Small: 20.08”-21.26” Medium: 21.26”-22.83” Large: 22.83”-24.41” Extra Large: 24.41”-25.98”

Measurements: Small: Length: 9.45” Width: 8.46” Height: 6.38”, Medium: Length: 9.88” Width: 8.62” Height: 6.46”, Large: Length:10.31” Width:8.9” Height:6.65”, Extra Large: Length:10.94”  Width:9.41”  Height:6.97”

Weight: Small: 2.76lbs 1250g  Medium: 2.87lbs 1300g  Large: 2.98lbs 1350g  Extra Large: 3.36lbs 1525g

Color: Available in black, tan, and sage green

Military Standard 662F; Offset three point suspension system; Interior shock absorption system; Ergonomically fit; Optimal ambient hearing; Communication device friendly; Ballistic collar friendly; Adjustable headband