My daughter will be 2 next month and I purchased a 2t. The package also contained a silicone cable which attaches to the airpod pro and goes around the neck to prevent the airpods from falling on to the floor if they become dislodged. If you only want to use them for six months. The shoes arrived later than they we’re supposed to but overall they come undamaged and they fit perfectly! To avoid this problem you can turn the sensor off in the app and from then on, it will default to, "on ear" status. I usually wear anywhere between a 7-8- pending the shoe (and whether I can put my orthodics in them. its delicate and light-weight. Purchased this over a Park Tool 10. I am satisfied with these, but I feel I paid too much money for them. I got a used one!