The M1001 Freedom HD mask is the latest design to come from Freedom Technology. It is a single lens masks with an incredibly wide field of vision. This mask boasts a 180° Rotational Buckle System, which allows it to fit a variety of face sizes while maintaining a low profile. The Five (5) Angle Strap Adjustor rotates a full 180 degrees and allows for micro-adjustments, which accommodates varying head sizes while reducing face pressure, maintaining optimum fit, and preventing unnecessary damage to the buckle.