Made in 100% virgin wool flannel.  Twill weave.  Very rich deep navy color.  

Size 46= US size 31-32.  Actual waist (relaxed): 30".  Waist (Stretched): 36".  Inseam: 31 1/2".

Size 48= US Size 33-34.   Actual waist (relaxed): 32".  Waist (Stretched): 38". Inseam: 31 1/2".

Size 50 = US Size 35-36.   Actual waist (relaxed): 34".  Waist (Stretched): 39". Inseam: 31 1/2".

Brand: De Bonne Facture

Made by Atelier Hervier Productions, France.