This is a great product. It is waterproof and we have used it on hikes in pouring rains.We have been using these pants for months now and the water stays out! It’s is great for when playground is wet, but also for nature walks when the ground is still wet and your little one is learning to walk and will sometimes fall sitting down. These pants have saved us cutting our excursions short due to wet clothes one too many times.They are longer in the legs, but do not go up too high on the waist. Got these when my kid was 12 months. She is now 17 and it seems like we will be using these pants till 2 years old +. She is a normal sized little girl.I own a small family childcare and preschool and purchased these in various sizes for all of my students. The kids wear them during outside play when it is wet, muddy, or raining, so most of the spring, summer, and fall. I would get the next size bigger than your child currently wears in your typical tag sizing. For example, for the 2 year-olds wearing 2T clothing, I purchased 3T splashy pants. They didn't need to size up until they were growing into 5T clothing. Then I moved them to the size 4 (not 4T) splashy pants. After about a year and a half, the bottom seams started coming undone, but it had been so worth the money spent. I have bought replacements and would do it again! Not worrying about changing clothes when we came inside or how messy the kids played outside was such a stress reliever and time saver. To ensure the inner clothes stay dry, do not tuck in their top...the water will seep in that way. Definitely have the kids wear rain boots with them and pull them over the top of the boots. We have had so much fun playing in the rain and jumping in muddy puddles and just letting the kids be kids. If you are buying them for a classroom like I did, I suggest color coding by size...buy each size in a different color for ease of identification. The loop on the waistband is also a huge help with the kids being able to hang them to dry.Runs huge. 2t fits like 4t. Otherwise these seem okay. Will update when we actually use it.We love these rain pants. My son is 2yrs old, 25 lbs and a little smaller than most 2 yr olds these fit him well with room to grow. They are only a bit long but fit everywhere else. I'm ok with the length as it gives us more time to use them as he grows. These pants so far have been water resistant for our little puddle jumper. If your on the fence just buy them you wont be sorry!These pants are exactly what we were looking for to keep our youngest dry during the winter. However, the 2T is very large (it should only be a size up for our little guy) and actually manage to fit our oldest who wears a 4T.Bought these for my daughter to keep at school. Her school has an outdoor classroom that they use daily, regardless of the weather. She’s come home a couple times with these covered in mud, they wash well.Ordered a size 4, 5/6, and 6x/7 for my 3 kids ages 5,7 and 10 (who is very very petite). They are layered on top of each other in the photo. I should have ordered their regular size BUT ended up sizing down per some reader suggestions. Total mistake.