How to Find a Hogwarts Alumni Gryffindor Shirt Online
The whole point of the Harry Potter theme is to honor the students of Hogwarts school of Witchcraft and Wizardry. Therefore every shirt that you buy for your friends or any member of the family should reflect this theme. For example, I would not wear a Harry Potter shirt if I was being interviewed on my job or even going to an interview because they would see this as me condoning what I am saying. Therefore, it is very important to find a T-Shirt for any Harry Potter theme. There are a lot of different designs available and you can be sure that they will all be popular with your fellow wizards and witches out there. This is the best way to show your support while supporting the very important Harry Potter franchise.
As for the Hogwarts Alumni Gryffindor Shirt process though I have only been able to find one online T-Shirt site that has these shirts available for those who are graduating from Hogwarts. This site is called Pottermore and is run by Jo Rowling herself. The reason why I recommend this site is because they have a huge selection of tees that feature characters from the Harry Potter series including the most famous Harry Potter himself.
The best thing about this site is that you actually pay to access the shirts instead of earning them in the traditional manner. This means that they pay more attention to the quality of the shirt and the fact that you are a fan of the Harry Potter theme to begin with so they know that you will enjoy the shirt when you purchase it. This is a great way to show your support while at the same time being one of the first people in line to get your new theme shirt.