- This QZ boxer will be an indulgent addition to your underwear collection of unique pieces - sheer elegance with inspiration from the heart of the British empire - the throne room at Buckingham Palace itself. 95% Cotton/5% Lycra - a heavy fabric which keeps its form and feels tight and supportive when worn. A QZ emblem set in amathyst Swarovski crystals encircled by an aray of emrald crystals at centre framed by rays of clear crystals adding to the impressive and messmerising detail.