Help What top with these baby boden trousers!!

[nicolamumof3]

I would have just chosen one out of the baby section but find they come up small so 12-18m is biggest size and won't fit my chunky lad!!
s7ondemand1-apps.scene7.com/Boden/BodenZoom.jsp?company=Boden&sku=08MAUT_72018&config=Boden/zoom_con fig&prodName=Knee+Patch+Trousers&prodPrice=%A316.00&prodStyle=72018&colorNames=BRN;+Mole+,PNK;+Candy +
Looking in boys section and can't decide what goes!!

s7ondemand1-apps.scene7.com/Boden/BodenZoom.jsp?company=Boden&sku=08MAUT_21235&config=Boden/zoom_con fig&prodName=Skull+Applique+T%2Dshirt&prodPrice=From%20%A314.00&prodStyle=21235&colorNames=BLU;Light +Airforce,BRN;Peat,RED;Ketchup??

s7ondemand1-apps.scene7.com/Boden/BodenZoom.jsp?company=Boden&sku=08MAUT_21228&config=Boden/zoom_con fig&prodName=Contrast+Stitch+T%2Dshirt&prodPrice=From%20%A310.00&prodStyle=21228&colorNames=BLU;Ligh t+Airforce,BRN;Brown,GRY;Grey+Marl,IND;Indigo,ORG;Pumpkin??