Square One skydiving apparel and gear has been in business since 1984. This store is inside the pro shop at Skydive Elsinore; it also has a pro shop at Perris Valley Skydive, in Perris Ca, and Skydive Arizona, in Eloy Ariz. Its products are some of the most widely-used in the skydiving industry. It sells gear for every aspect of the skydiving lifestyle.