Look like Supergirl. Feel like Supergirl. Sing and dance like Supergirl. Wait, how is this possible, considering you're not from Krypton or equipped with alien cells that do astonishing things with solar energy!?! I'll tell you how: you dress and inspire like Suprgirl with our incredible selection of Supergirl costumes and costume items. These comic-book accurate Supergirl t-shirts, costume t-shirts, boots, socks and accessories are easily attainable costume options when one wishes to inspire without having to bend steel.