Engineered by Blade-Tech and field tested by Viking Tactics, the 5.11 Thumbdrive was intended from its inception to be one of the highest-quality contenders in the tactical and duty holster categories. The Thumbdrive employs a revolutionary firearm release mechanism that is actuated by the operator pressing or "driving" his or her shooting-hand thumb downward. The end result of this design facilitates a better master grip that can be replicated quicker and more consistently. This feature (among others) have lead many experts in the shooting industry to classify the Thumbdrive as one of the safest and fastest drawing Kydex holsters available on the market today. Additionally, the holster's sturdy, heat resistant polymer construction provides outstanding durability and reliability in the toughest operational conditions. A Belt Slide and Paddle Attachment are included.