The pants are constructed from coated fabrics for a leather-like look . Metallic colors are less stretchy than matte colors. Model (Height 5'8" Weight 110 lbs Chest 33" Waist 23" Hips 33" Cup B Dress 0) is wearing a small. The color you see on your screen might not be an exact color of the product due to monitor settings/pixel definitions/model/brand/etc.