My son is 20.5 months old and still has yet to grow into his waist. He is very big for his age, but his proportions are appropriate making clothes very hard. His waist is nearly 23" Those adjustable waists don't work since he's too big at the largest setting. Right now, I search out pants with buttons and use an elastic to get a couple more inches out of them. (Many of you likely remember doing that in first trimester!) Husky pants don't work - they're great for the waist but have far too much fabric otherwise. I don't mind rolling pants, but the husky sizes are extreemly wide too. DS is wearning 4T's right now with elastics. Even 6's are often too small in the waist. Do you have any hints?
*Length-wise, he should be 3T for pants and 4T for shirts.