KOIKUCHI shirt :
 
Size  M 
color  Light Navy x Grey (Jacquard)
Fabric  Cotton 100% x Silk 100% 
Made in Japan
 
Wash Temperature/type : 30º / Hand better
Bleaching options : Never
Drying options : Never
Ironing Temperatures : Cotton: 204 °C (400 °F)
Dry Cleaning options : Never