Size medium has a 27.5" body length (front and back), an 18.5" shoulder, a 44.5" chest, and a 35" sleeve length. Sleeve length is taken from the center back of the neck and changes 1" between sizes.
Crewneck with ribbed V-inset.
Long sleeves with ribbed cuffs.
Polo Bear, "Polo Bear by Ralph Lauren," and "Ralph Lauren" script printed at the center front.