Be aware that using fleece as the interior layer for a cover for any laptop or electronic device can cause major issues. It can create static electricity and elicit a charge that can seriously injure your computer and the information you hold dear. This is true whether or not your laptop is on! It also conducts heat, which is never good for electronics.
In addition to this, ANYTHING that can cause a static charge, like putting your laptop on the carpet to use, etc, can do the same.
And just in case people are skipping over this because it's text only, I'm putting the main idea in bold: