Adult size, chest (to fit): XS 34" S 36" M 40" L 44" XL 48" 2XL 52"
XS: half chest (armpit to armpit) 48cm, length (neck to seem) 64cm
Small: half chest 52cm, length 70cm
Medium: half chest 55cm, length 69cm
Large: half chest 59cm, length 74cm
X Large: half chest 64cm, length 77cm
XX Large: half chest 66cm, length 80cm
Sleepsuits (approximate garment measurements from shoulder to toe): 0-3 months (54cm), 3-6 months (58cm), 6-12 months (61cm)