Diagram showing how to measure head circumference using a non-stretchable tape, with labeled points A, B, C, and D indicating different measurement areas on a backpack.
Size chart displaying measurements for one size with values: A: 51-60, B: 11.5, C: 6.5, D: 18.

CENTIMETRES

INCHES

Clothing size chart showing measurements for One size: A 20 1/8 to 23 3/8 inches, B 4 1/2 inches, C 2 1/2 inches, D 7 1/8 inches.