ADULTS SUPERSONIC UNION JACK T-SHIRT Bring Britpop energy to your next party with this Oasis inspired “Supersonic” costume set – ideal for fans of 90s music legends and retro style. Featuring a bold Union Jack print and the iconic “supersonic” slogan, this black t-shirt is your go-to for themed events, gigs, or fancy dress. Choose your look from three options: T-Shirt Only – Keep it simple with the striking black tee. T-Shirt + Black Bucket Hat – Add the classic festival-ready bucket hat. T-Shirt, Bucket Hat + Orange Glasses – Complete the indie legend look. Full Set: T-Shirt, Hat, Glasses + Cigarette Props – The ultimate fancy dress outfit with rock 'n' roll attitude. Whether you're headed to a music festival, a 90s party, or just want to rep that iconic .