- Giving new meaning to sparkle ¨C this Quadrigae Zeus crew neck t-shirt is encrusted with a myriad of Swarovski crystals set into a ¡®Grotesque¡¯ pattern deriving from Emperor Nero's palace. A truly unique piece in any man's underwear collection. 95% Cotton/5% Lycra - a heavy fabric which keeps its form and feels tight and supportive when worn.