color: black universal usable strap for tactical glasses with useful features: - Glasses always ready to use - secured against loss - practical storage option to protect the glasses from damage The strap is appropriable for all glasses with standard earpieces. CAUTION: If the earpieces material is made of soft, very flexible rubber, you will not be able to get the strap on among others suitable for: - Swiss Eye: Raptor, Gardosa, Stingray, Maverick, S-1, Skyray - Maui Jim: Makaha, HOOKIPA, Banyans, Hot Sands etc. - 3M: Marcus Grönholm, 2800 etc