These are Salvatore Ferragamo wide-leg trousers in brown/taupe heathered linen, made in Italy.

99% linen, 1% nylon, with an interior lining
Signature engraved gold-tone Ferragamo logo button at the waist
Relaxed wide-leg silhouette
Slant side pockets and belt loops
Tagged IT 42 / US 8 / FR 40 / DE 38