Vintage 1960s Shadowline "Primatiste" pajama set. Short sleeve top and crop pants. Adorable lace and applique trimmed collar. Size medium. Store tags still attached and has original box.  65% Dacron Polyester, 35% Cotton. 

Measurements (lying flat): 
Bust 23.5" 
Length 25"

Pants- 
Waist 12" unstretched, 21" stretched
Pant total length 27"
Hips 22"