North Face Boys' Size Chart
  X-Small Small Medium Large X-Large
Standard Size 6-7 8 10-12 14-16 18
Height (in) 43-45½" 45-51" 51½-58" 57½-64" 64½-67"
Chest (in) 23½-24½" 25½-27" 28½-30" 31½-33" 35"
Waist (in) 20-21" 22-23" 24-25" 26-27½" 29"
Hip (in) 24-25" 26-27½" 29-30½" 32-33½" 35½"
Inseam (in) 19-21" 19-21" 23½-25" 26½-28" 30"

These are general guidelines only, sizes are not guaranteed. But no worries, since at SunnySports we offer our exclusive PFF Guaranty