Lee,i use the Xtreme and the Xtreme wide and they both came with white bristles. I put my dt mono on today for a conservatory roof clean and found that the Xtreme had a greater splay,making the bristles appear softer,but i gather this is due to it being far narrower. I certainly wouldn't go back to the 'normal' brush again. It feels too bulky after using the Xtreme. If you buy one,you won't regret it