ESS Crossbow Suppressor Accessory Kit Black Frame and Retention Strap. The ESS Crossbow Suppressor Kit is compatible with all Crossbow Lenses from ESS Safety Glasses and Goggles. This ESS Glasses Accessory features Z-Bend Geometry which has ultra-thin temple arms. The slim temples on these frames help with noise reduction by minimizing the effect on the padded seal of ear cups. They also eliminate the hot spots and pressure points that commonly occur when normal Glasses is worn under ear cups. For more Glasses accessories from ESS Safety Glasses and Goggles and other brands please visit our Glasses accessory page. Specifications for ESS Crossbow Suppressor Accessory Frame Kit: Frame Color: Black Compatible with: All Crossbow Lenses Features of ESS Crossbow Suppressor Frame Kit: Ultra-thin Suppressor temple arms with Z-Bend Geometry Optimized for use under ear cup hearing pro and comm gear DedBolt Lens Lock provides quick lens interchange and rock-solid retention under impact Includes (1) Crossbow Suppressor Frame (1) Elastic Retention Strap Package Contents: ESS Crossbow Suppressor Accessory Kit