Each product comes with a size guide. This is usually the relevant size chest (in inches) in relation to S,M,L,XL etc... Please check all sizes carefully as Kustom Threadz Embroidery do not accept liability for goods that do not fit.
Many of our customers have specific brands they've used previously and trust for size and durability. Let us know if there is a specific brand you would like us supply, we have access to 1000's of products across all the main brands.