If you watch one of the cinematic trailers you see Vesemir and Geralt wearing black cloaks over their armor. After coming across this trailer, I was thoroughly disappointed to find they were left out of the game. Cloaks look absolutely amazing and tie in perfectly with the darker witcher theme.  I understand cloaks might be hard to create, however, if you are unable to include this addition, how about at least one armor set that includes a cloak or at least has a hood? Cloaks could also be something that Geralt equips while riding through heavy snow/storms. Cloaks would be an excellent addition to this excellent game!

In addition to this petition, you may also check out this reddit post for more support of the idea.