This striped shirt from Ralph Lauren Childrenswear is specially woven to give the cotton fabric a hint of stretch for ease of movement.
Size 4-4T has an 18.25 back body length and a 21 sleeve length
Sleeve length is taken from the center back of the neck
Signature embroidered Pony at the left chest
Button-down collar
Buttoned placket
Long sleeves with buttoned barrel cuffs
Box-pleated back yoke
