To choose the right patch size, you can use these tips: ⦁ If you are opting for a hat front, make sure the patch height is within 2.25 inches so it can easily fit on the crown. ⦁ If you want the patch on the left chest, make it 2 to 3.5 inches wide and tall. ⦁ Alternatively, for the www.embroiderypatchesuk.co.uk/back-patch, carefully measure the space between the shoulder seams and the back of your garment.