I wore it 2-3 times after purchasing it, and it has been stored in the closet since then. Open collar short-sleeved shirt "Nanomugen Fes" 6,600 yen (tax included) (Size: L) "Nanomugen Fes," a rock festival hosted by ASIAN KUNG-FU GENERATION. This luxurious design features a pattern of logos from 2004 to 2014. This open collar shirt is made of 100% rayon fabric that is smooth and comfortable to the touch. It features a relaxed silhouette.