The following mentions of the words Stretch and Mesh refer to the materials Made with Dupont™ Kevlar® Fiber, Here is a pant that looks identical
Mascot Advanced Trousers - Advanced Work Pants with Stretch –
Fit up to size 22, The must-have pants you need in your wardrobe. Really soft and stretchy! The ultimate in practical comfort and great for all year
The Original Essential Stretch Trousers - Black - A373/A08/A375
Elegant 7/8-length stretch trousers in Beige
Brunello Cucinelli Italian-Fit Cotton-Stretch Trousers, Pants
PEGASE, Stretch trousers with holster pockets
Theo stretch trousers
Mens Stone Island green Stretch-Cotton Cargo Trousers
Heathered grey stretch pant, Bertini, Shop Men's Dress Pants
Gear Review – Fjallraven Greenland Stretch Trousers