Infant/Toddler Size XS (Newborn) S (0-6m) M (6-12m) L (12-18m) XL (18-24m) Height 23 25 28 31 34 Weight (lbs) 12 14-16 18-22 24-26 28-30 Waist 17 18 19 20 21 Hips 17 18 19 20 21 Youth/Junior Size XS (2T) S (3/4) M (5/6) L (7/8) XL (9/10) Height 34-36 36-42 42-48 48-54 54-57 Weight (lbs) 30-32 34-42 42-49 49-59 59-75 Waist 21 20-22 22-23 23-24 24-25 Chest 21 22-24 24-25 25-27 27-28 Accessories Infant/Toddler Nordic Hat S (0-12m) M (12-24m)       Mountain Booties S (0-15m) M (15-36m)       Youth/Junior Nordic Hat L (3-10y)