1. Color is a medium to medium dark grey, definitely not even close to charcoal. In some lighting, I detect a slight blue undertone, but other times it disappears so I'm not completely sure if it's there or not.
2. I can't see any other measurements except the hemming, but I can't be absolutely sure. My brother is out of country and difficult to contact.
3. Pants have a single pleat. Jacket is double vented.
4. Measurements, except jacket length are halved. So...