Love this a lot. I am sure my 18 months will be warm. Fits very nice. One down thing is the zipper digs into the chinThe pants fit perfectly on a 16 month old but the jacket was wayyy too big.Fit Perfect for my 16 month baby. I thought it was going to be too big, but I just made the shoulder straps as short as possible even though they are Velcro. It is not super bulky like most snow bibs. Would be easy to layer for colder temps.These are great snow suit. Feels warm so far, but not confident in the cold winter when the temperature drops below ten Celsius. If kid is at home, there would be no problem, because we can put layers inside, but when kid goes to daycare, better get a thicker coat for the cold days as you don’t want to dress your kids too much inside, and it seems not very convenient to have layers because kids don’t say they are cold or hot to the teachers, teachers may not notice your kid is hot indoor. Anyway, what I want to say is these are great thin snow suit.Great colour and design. Size 24months fits my 22 month old with plenty of room to grow. Material is thinner than expected for a winter snow suit in NW ontario, but room for layers underneath. Velcro at shoulder straps to make it easy to put on and also allows adjustability for growth.Bought this in the middle of winter when daycare said my daughters snowsuit wasn’t water resistant. This snowsuit worked perfectly. I found the 2 piece made it easier for her to get up when fallen down than compared to a once piece. There is tons of room for her to grow and the top of the straps on the snow pants are velcro making them super easy to take off. Definitely would buy again.As usual, Columbia has great quality. It’s a very thin jacket so I’m skeptical how it’s going to handle -10 to -20 weather.. but I’m hopeful. It’s not bulky which is great for my 1 year old.12-18 is a bit big for my 13 month old baby but its a great winter suit, and warm for winter