The only place to find official 3 Litre merchandise.  As worn by the drivers.
 
Jackstar 2023 World Final T-Shirt featuring Jack on the front, and the team sponsors on the back.
 
The T Shirt
Our T Shirts are 100% cotton; extremely high quality and very comfortable. The printing will last as we use modern direct to garment printing machines that turn out bold and long lasting results.
 
Unisex style, medium fit. It’s for everyone.
Single jersey, set-in sleeves. Just your standard t-shirt.
1x1 rib at neck collar, inside back neck tape in self-fabric. 
Sleeve & bottom hems use a wide double-needle topstitch