This is a DML 1:6 Scale German WWII M42 Field Blouse + M37 Trouser.
This is a scale 1:6 outfit that is for toys, not for a real human.
Recommandation
Schütze "Dieter Müller" Wehrmacht-Heer Infantry, Infanterie-Regiment 23, 11. Infanterie-Division, East Prussia 1941