Personally I prefer wrapping my toddler. He is 3 1/2, and just over 30 lbs. I tried SSC's (like the Ergo) but had issues with the structured waist band, and was not able to get the shoulder straps tight enough. My favorite SSC was actually one that is not well know, Nanas Jetpack. It had a tall body that DS could not lean out of, and the shoulder straps adjusted down far enough that I could get it nice and tight. I also have a couple of toddler Mei Tais (MT's) that work well for me. I prefer MT's to SSC's, as they have infinite adjustments, which work much better for my small frame. My favorite MT right now is my Ocah wrap conversion. Any MT with a padded waist will be more supportive than an MT without. There are so many wonderful choices out there. Some good ones are Kindercarry, Bamberoo, NHT (Nurslings Hemp Tie - you can only find them used right now) and Himmel, to name a few.