So I have looked and priced, looked some more and decided on this seat for my son who is 3. He was in an Evenflo triumph dlx. He loved the seat, I loved that seat but for multiple reasons we needed a newer seat. The seat in dads truck was so uncomfortable for him and he woudn't sit still, which isn't like him at all. So we put the Evenflo in his truck and nautilus in my suv. Problem solved right? Wrong....my son told me he didn't like the seat when I asked why he said. "Its to big mom".The seat has more width to it for his growing body and doesn't cradle him like the Evenflo..but in all actuallity it fits so much better in my car. I guess this is something he will have to get used to. He is between heights right now which is causing the harness to rub his neck. I will try putting the cusion to harness on and seeing if that helps. I had seen pictures where that pushed the chest clip down so I didn't want to use them. I have been getting on to my little guy because he keeps pushing the chest clip down. He is figuring this out way to soon! I'm sure its not uncomfotable for him, just new and different. Not so much a baby seat anymore but he will be to big for the evenflo before to long.