International Conversion Charts & U.S. Government Specifications for:
| American | 6 1/2 | 6 5/8 | 6 3/4 | 6 7/8 | 7 | 7 1/8 | 7 1/4 | 7 3/8 | 7 1/2 | 7 5/8 | 7 3/4 |
| Metric | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 |
| Inches | 20 3/8 | 20 3/4 | 21 1/4 | 21 1/2 | 22 | 22 3/8 | 23 1/4 | 23 1/4 | 23 1/2 | 24 | 24 3/4 |
| Letter | XS | S | M | L | XL |
English: Measure the distance around your head. Convert your measurement using the above chart. Check each hat you wish to order for the type of size required (i.e., S or 6 3/4), then state on your order form the appropriate size indicated on the chart.
Españoles: Mida la distancia alrededor de su cabeza. Convierta su medida usando la carta antedicha. Controle cada sombrero que usted desea pedir para el tipo de talla requerido (es decir, S o 6 3/4), entonces indica en su forma de orden la talla apropiada indicó en la carta.
| Inches | 6.5 - 7" | 7.5 - 8" | 8.5 - 9" | 9.5 - 10" |
| Size | 7 - 7.5" | 8 - 8.5" | 9 -10" | 10.5 - 11" |
| Military | 3 | 4 | 5 | 6 |
English: Measure around the palm of your hand at the widest point, not including your thumb.
Españoles: Mida alrededor de la palma de su mano en la punta más ancha, no incluyendo su pulgar.
| American (men) | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| American (women) | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| British | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 |
| Asian | 23.5 | 24.5 | 25.5 | 26.5 | 27.5 | 28.5 | 29.5 | 30.5 | 31.5 | 32.5 |
| European | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 |
| American | 36 | 38 | 40 | 42 | 44 | 46 | 48 |
| British | 45 | 48 | 50 | 54 | 56 | 58 | 60 |
| Asia/Europe | 46 | 48 | 50 | 52 | 54 | 56 | 58 |
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XS | S | M | L | XL | XXL | XXXL | Short | Regular | Long |
| Jackets: Chest | 29" - 33" | 33" - 37" | 37" - 41" | 41" - 45" | 45" - 49" | 49" - 53" | 53" - 57" | |||
| Jackets: Height |
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63" - 67" | 67" - 71" | 71" - 75" |
| Pants: Waist | 23" - 27" | 27" - 31" | 31" - 35" | 35" - 39" | 39" - 43" | 43" - 47" | 47" - 51" | |||
| Pants: Inseam |
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26½" - 29½" | 29½" - 32½" | 32½" - 35½" |
| American | 14 | 14.5 | 15 | 15.5 | 16 | 16.5 | 17 |
| British | 14 | 14.5 | 15 | 15.5 | 16 | 16.5 | 17 |
| Asia/Europe | 36 | 37 | 38 | 39 | 41 | 42 | 43 |
| American | 35 | 40 | 44 | 46 |
| British | 34 | 36-38 | 40 | 42-44 |
| Asia/Europe | 44 | 46-48 | 50 | 52-54 |
| American | 30 | 32 | 34 | 36 | 38 | 40 |
| British | 46 | 48 | 52 | 54 | 56 | 58 |
| Asia/Europe | 46 | 48 | 50 | 52 | 54 | 56 |
| American | 6 | 8 | 10 | 12 | 14 | 16 | 18 |
| British | 8 | 10 | 12 | 14 | 16 | 18 | 20 |
| Asia/Europe | 36 | 38 | 40 | 42 | 44 | 46 | 48 |
| American | 32 | 34 | 36 | 38 | 40 | 42 | 44 |
| British | 34 | 36 | 38 | 40 | 42 | 44 | 46 |
| Asia/Europe | 40 | 42 | 44 | 46 | 48 | 50 | 52 |
| American | 32 | 34 | 36 | 38 | 40 | 42 | 44 |
| British | 34 | 36 | 38 | 40 | 42 | 44 | 46 |
| Asia/Europe | 40 | 42 | 44 | 46 | 48 | 50 | 52 |
| American | 8 | 10 | 12 | 14 | 16 | 18 |
| British | 10 | 12 | 14 | 16 | 18 | 20 |
| Asia/Europe | 36 | 38 | 40 | 42 | 44 | 46 |