Memorial T-shirts are considered sentimental because they serve as a physical representation of someone who has passed away, reminding us of their presence and the impact they had on our lives. They often feature personalized designs, photographs, or messages, making them a cherished keepsake that holds deep emotional meaning for the wearer and those close to the deceased. Additionally, wearing a memorial T-shirt can be a way to honor and remember the person, allowing us to feel connected to their memory and preserve their legacy.