Give your kid a suit of Ironman.
A product of China.
Size:

XS(110) –  L: Shirt(16) in, Pant(11)in.    W: Shirt(24)in, Pant(16-18) in.
S(120) –    L: Shirt(16)in, Pant(12)in.     W: Shirt(24.5)in, Pant(17-19) in.
M(130)-    L: Shirt(17)in, Pant(12.5)in.  W: Shirt(25)in, Pant(17.5-19.5) in.
L(140) –    L: Shirt(18)in, Pant(13)in.     W: Shirt(26)in, Pant(18-20) in.
XL(150) –  L: Shirt(18.5)in, Pant(13)in.  W: Shirt(27)in, Pant(20-22) in.
XXL(160)- L: Shirt(18.5)in, Pant(14)in.  W: Shirt(28)in, Pant(20-22)in.