100% ring-spun cotton suitable for track days. The shirts feature a tapered fit, so if you are in between two sizes we recommend going up a size.
Shirts are currently available in US Adult Medium to 2XL.
Metric Size Conversion
| Size | Width | Length |
| 2XL | 132cm | 81cm |
| XL | 122cm | 79cm |
| L | 112cm | 77cm |
| M | 102cm | 75cm |
| S | 92cm | 73cm |