If you are having problems with your 2 way zipper, this page is dedicated to helping you get it working!
First thing to be aware of is that there are two pull tabs - not just one! If you are only using one pull tab, the zipper won't work!
You need to make sure that both the pull tabs are all the way down the bottom of the zipper before starting. Once they are together, push the other side of the zip through them both. This really needs to "click" into place before pulling the top tab of the zipper up.
And that's it! One pull tab will be at the top of the parka, and the other remains down the bottom.
Once you have worked it out, the bottom zipper can be pulled up if you want more leg room for either driving or just running around.
This is also really handy when it is too warm to have your parka all zipped up. Once you have started to zip up your parka, you can pull the top tab down to the middle of the zipper and pull the bottom tab up to the middle to meet it. This will hold the 2 sides of the parka together whilst still allowing it to stay mostly open.
Here is a link to a video on our Facebook page showing this in motion....