Metro European Texture Human Hair Lean and clean, with all the ingredients for good taste in hairwear. Smooth, straight style overall features the boy-cut crown with a slight curve in all the right places. In Hairlife Human Hair Blend for reduced styling time with this easy-care hair dressing. The following colors are available for Metro: 1B, 2, 4, 6, 8, 16, 27, 30, 32, 33, 330, 32-4, 32-6, 33-4, 33-6, 18/22, 18/24, 16/22B, 6-2, 8-2, 8-4, 8-6, 10-4, 10-6, 10-7, 12-6, 12-7, 12-8, 14-8, 16-8, 16-10, 16-18, 16-14-12, 24-14/12B, 515, 630, 640, 30-8/6B, 329, 525, 720, 10-8, 6B.