My little guy wanted these so badly for his birthday. He just turned 6. The shipping is so expensive and takes a while, but it is worth it to see how much use he is already getting out of them! Better to buy them together if you are thinking of purchasing more than one because the shipping costs go down. My son is a bit small for his age, at about 36 pounds and about 42 inches tall. We bought size 7T and have a little bit of room to grow into these. We definitely chose the right size to buy thanks to the other reviews. Definitely buy up a size or two!Our grandson loves the hoodie. I was disappointed it was not fleeceIt ships from China which I wasn't expecting. The sizing is quite small. The material is thin but overall it is an ok sweater for a 4yr to ruin during spring time. There are some variations to make this clearly not an "official" Thor sweater, but the cape was cute and it had the thunder bolts attached to the top, my 4yr's quality control compentensy can't tell the difference and he's happy (unlike the children who likely assembled it). Ideal sweater for the always cold mother who makes their kids wear sweaters in July (that's me). Mom it's 80 degrees- You might get cold, at least bring the sweater so you have one, you know, your favorite Thor sweater? What if you need to be Thor on a 60 degree night? Negotiations are smoother than ever. Win/win on this purchase. Whose the god(dess) of thunder now?Cute sweater but very thin, like a T-shirt. Definitely not warm sweater material. And the pull over hood part on the eyes isn’t mesh so kids can’t see through. I would not buy again. Very low quality.This is a paper thin low quality unauthorized product. It already had loose threads as soon as it came out of the bag, the size runs on the small side, and it is more of a windbreaker than a sweatshirt. Not exactly an inexpensive product, so value is quite low. I don’t recommend it, save your money don’t buy it.My son loves this jacket but it ran a bit small and the hood is tiny! He can’t even wear the hood.Loved this sweater! Looks exactly like the picture. It’s not a thick material but it’s not a too thin material either.My son wears a size 5-6t and I purchased the size 6t and it fit him perfectly. If you want some growing room I would suggest to buy a size or two bigger.Perfect fit, just enough space for good growing room and not too much. Is a tiny bit thin, like jacket weather. Not cold. Quality still great though!