Pattern includes these pieces in newborn size (20” chest):   Sleeveless shirt, Sleeveless vest, Jacket, Short sleeved shirt with front slit, Pants, Shorts, Diaper cover,  Boot shaped booties 
Knit all pieces on the Yellow Knifty Knitter or similar round frame using  any yarns that get a gauge of 2 stitches/3 rows per inch. 
Booties: 3 strands worsted, 2 oz 
Pants: 2 strands Lion Suede (a chunky yarn) ,4.5 oz 
Shorts: 3 strands worsted, 3 oz  Diaper cover: 3 strands worsted, 2.5 oz 
Vest: 1 strand Lion Wool-ease Chunky, 2.5 oz 
Jacket: 2 strands Bernat Softee Chunky, 5 oz. 
Tank top: 2 strands Lion Polarspun, 2.5 oz.