At the Spanish Buff, almost all products come in "one size." For example, the neck warmers, which we often call a "Buff", come in one size. Apart from children's models. For the caps, Buff does use two sizes. In the size chart below you can find out which one you need.
It is best to measure your head with a tape measure around the thickest point. Do not hold it too tight.
Size chart Buff
| Type | Mate | Head circumference |
| 5 Panel Go Cap | S/M | 53 - 57 cm |
| L/XL | 57 - 61 cm | |
| Speed Cap | S/M | 53 - 57 cm |
| L/XL | 57 - 61 cm | |
| Pack Speed Cap | S/M | 53 - 58 cm |
| L/XL | 58 - 62 cm | |
| Pack Sahara Cap | S/M | 54 - 57.5 cm |
| L/XL | 57.5 - 62 cm | |
| Go Visor | Unique | 53 - 61 cm |
| Pack Cycle Cap | Unique | 53 - 57.5 cm |
| Pack Speed Visor | Unique | 53 - 61 cm |
| Pack Trucker Cap | Unique | 57.5 - 63 cm |
| Pack Merino Fleece Cap | Unique | 53-61 cm |
| Baseball Cap | Unique | 58 cm |
| Trucker Cap | S/M | 53 - 57.5 cm |
| L/XL | 57.5 - 63 cm | |
| Summit Cap | S/M | 54 - 57.5 cm |
| L/XL | 57.5 - 61.5 cm | |
| Military Cap | S/M | 54 - 57.5 cm |
| L/XL | 57.5 - 61.5 cm | |
| Pack Summit Cap | S/M | 53 - 57 cm |
| L/XL | 57 - 61 cm | |
| Travel Bucket Hat | S/M | 54 - 56 cm |
| M/L | 56 - 59 cm | |
| Adventure Bucket Hat | S/M | 54 - 57.5 cm |
| L/XL | 57.5 - 62 cm | |
| Sun Bucket Hat | S/M | 54 - 57.5 cm |
| L/XL | 57.5 - 62 cm | |
| Explore Booney Hat | S/M | 54 - 57.5 cm |
| L/XL | 57.5 - 62 cm |
