Level I Retention Holster ALS (Automatic Locking System) secures weapon once holstered; simple straight up draw once release is deactivated Open-top design without SLS for quick retrieval of weapon A proprietary nylon blend that is completely non-abrasive to a firearm's finish Raised stand-off surfaces in holster's interior creates air space around the weapon, allowing dirt and moisture to quickly clear any contact with the firearm This model is constructed of the innovative SafariSeven material, a high performance nylon blend. SafariSeven is highly durable and practically impervious to the elements. This holster features the Automatic Locking System (ALS). Once the weapon is holstered, it locks into place. When the ALS is de-activated by the thumb, a simple straight up draw is used. It comes standard with the UBL Mid-ride, fitting 2 in. to 2.25 in. belt widths. Gun fit: Sig Sauer P320 Sig Sauer P320 X-Full Sig Sauer P320 X-Vtac