DAYDREAMER The Clash London Calling Weekend Tee in White. - size M (also in XS) DAYDREAMER The Clash London Calling Weekend Tee in White. - size M (also in XS) The Clash - London Calling. Cotton blend. Screen print graphic. Lightweight jersey fabric. DDRE-WS514. CB300CLA601. Effortless, vintage, and original is everything that DAYDREAMER is. The makers of tees made for women that will last for season and reflect their personalities.