- Silver as you have never seen it before. This silver velvet low cut boxer is the last word in comfort and luxury, all set off by the Swarovski crystal encrusted QZ monogram. 60% Viscose, 30% Polyester and 10% Elastane - This most comfortable velvet will wrap itself around your body - dont think old fashioned velvet curtains but modern and sophisticated fabric technology used for this stylish garment. Can be washed at 40 degrees.