I have stored this in a dark place since purchasing it. I would appreciate it if you could purchase it with the understanding that there may be some age-related deterioration. Hoshino Gen's DOME TOUR 2019 POP VIRUS T-shirt, size M, cotton-polyester blend. - Product Name: POP VIRUS T-shirt - Size: M - Material: 60% cotton, 40% polyester - Tour Name: Hoshino Gen DOME TOUR 2019