When attaching the hood of the coats the lengths of the different zip sides do not match, why?
If a product is constructed using two separate processes with the left side of the zip in one process and right in the other process and the zip sides are not matched against their original opposite side, either a special zip is required called “Interchangeable” (Product Information on our website.) or the two zip halves […]
Why does the zip not fit correctly into the specified garment size?
There are many ways to measure the length of a zip, Coats Opti follow the British Standard Method, where all measurements are based on measuring from the end of the components or head of the slider where fitted. More clear details and images can be found in our Product Information on our website.
Why is the zip curved/humpy after insertion?
Check the sewing tension is equal on both sides of the zip. If this is only noticed after pressing heck for any high levels of shrinkage in the fabric material and any interlining.