GT-40 T shirt

First, note to Moderator. If this is in the wrong place, please move.
I subscribe to ReinCarNation magazine. The attached link is to an ad for a shirt that may be of interest to Forum Members. I have no interest in the magazine or the shirt.

GTO40 Tshirt
Just ordered one for myself. Their payment site is http rather than https. My understanding is that http is unsecured and https is secured. I completed payment info over the phone.