Vintage LA cinephiles used the hashtag #SaveTheDome show their support for preserving it. And it's still standing! Depending on the color, these shirts can be a blend of cotton, polyester, and rayon. 52% airlume combed and ring-spun cotton, 48% polyester (fiber content may vary for different colors) Extra light fabric (3.6 oz/yd² (122 g/m²), Modern fit, Tear-away label, Runs smaller than usual.