Skims Fits Everybody Tube Top Color Black Onyx NWT Size XS This classic tube top hugs and flatters your curves while staying comfortable for all-day wear. Hits at the hips and features a shelf bra for light support. Fits true to size. 76% Polyamide / 24% Elastane Skims innovative Fits Everybody fabric boasts a buttery soft feel with ultimate stretch, support and breathability, making it lightweight and one of the most-loved collections.