Step-by-step instructions for unfolding your new James Webb Space Telescope. Celebrate the succesful launch of JWST with this original T-shirt. • 100% ring-spun cotton • Sport Grey is 90% ring-spun cotton, 10% polyester • Dark Heather is 65% polyester, 35% cotton • 4.5 oz/yd² (153 g/m²) • Pre-shrunk • Shoulder-to-shoulder taping • Quarter-turned to avoid crease down the center • Blank product sourced from Bangladesh, Honduras, Haiti, Mexico, or Nicaragua