he Angel SQ Pro is the same proven concept of the Angel SQ, made from even lighter materials. It was developed for hike and fly adventures like the Red Bull X-Alps, and for anyone looking to save weight in their pack without compromising on safety. The Angel SQ Pro is a top-of-the-line option for pilots who want to carry a fast-opening, stable, and safe reserve parachute that packs in a low volume, and is ultra-lightweight. The two main factors in reserve parachute performance are sink rate and stability. A reserve parachute with an acceptable theoretical sink rate can easily deliver a hard landing if there is pendulum instability. The principal advantage of the Angel SQ Pro over a traditional round is in its increased stability. The increased stability combined with the Angel SQ Pro’s excellent sink rate makes it a higher performance reserve than traditional round designs.