Though technically the stretchy wraps say you can carry heavier toddlers (my stretchy says it goes up to 35lbs), they really aren't comfortable for that long. They sag and require frequent readjusting and don't distribute the weight as easily. But you would carry a toddler in a stretchy in a hug hold the same way you would carry a baby.
If you want to BW with a wrap, I would go with a woven xx
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