IMPORTANT: If you want your T-Shirt available for pick up at the conference (save on shipping!), your order must be placed by June 2. These are the 2023 conference T-Shirts! The "Exploring New Frontiers" logo was designed by an Oklahoma graphics designer specifically for OSTA! The conference theme is on the front, and the OSTA logo is on the sleeve. Purchasing a T-Shirt pre-conference and picking up at the conference = $20 Ordering a T-Shirt for delivery = $24 At the conference, T-Shirts can be ordered on site for $24* *We will not have an inventory of extra shirts at the conference, but they can still be ordered on-site.