Safariland Smith and Wesson- S and W M and P .45 without Thumb Safety 6378 ALS Concealment Paddle Holster (STX Black Finish) ALS (Automatic Locking System) secures weapon once holstered and easily released with thumb during draw SafariLaminate thermal molded construction with suede lining Comes with ergonomically design soft nylon paddle and optional fully adjustable belt slide 6378-419-411