The P365 features a low-profile design that minimizes excess bulk for increased comfort when carrying in a concealment holster. Included as a standard feature on the P365 is also a Sig Sauer's XRay3 Day/Night sights for maximum visibility in various lightning conditions along with double-stacked magazines for increased carrying capacity while retaining the subcompact size for maximum concealment. The X series features the standard 3.1-inch barrel of the P365 with an extended grip frame of the XL for increased capacity and grip comfort.

This model features Sig Sauer's black Nitron finish and features a separate optic cut and rear sight cut for co-witnessing with red dot optics. A manual safety is featured on the frame for additional security. Two 12-round magazines are included.