athlete
ergo is good, tapi only if yr son dah boleh duduk betul2. But it's verrrry warm tau, to me, kalau pakai kat s'pore berpeluh2...
I sold my ergo away tapi bila time nak travel, I bot a Patapum toddler carrier.
If not, I depend on my trusty MIM sling. Bila baby dah besar sangat, I letak kat stroller lah....kalau tak, boleh senget shoulder angkat baby.