Nike Air Zoom Arcadia Cushioning Abrasion Resistant Breathable Low top Running Shoes Gray Children Aged 3 7 Years Old. 35 3Y 2.5 220 220 22. 34 2.5Y 2 215 215 21.5. 33.5 2Y 1.5 210 210 21. 32 1Y 13.5 200 200 20.