Sleepwear Sizing (S - XXL) 

S M L XL XXL
US Size 2 - 4 6 - 8 10 - 12 14 - 16 18
Bust (in) 35" - 36" 37" - 38" 39" - 41" 42" - 44" 45" - 47"
Waist (in) 26" - 27" 28" - 29" 30" - 32" 33" - 35" 36" - 38"
Hips (in) 37" - 38" 39" - 40" 41" - 43" 44" - 46" 47" - 49"

Robe Sizing (S/M - XXL)

S/M L/XL XXL
US Size 2 - 8 10 - 14 16 - 18