The phrase "army trousers" is correct and usable in written English.
It can be used to refer to a specific style of trousers that are typically associated with military uniforms or are designed for outdoor activities.
Example: "He wore a pair of army trousers while hiking in the mountains."
Alternatives: "military pants" or "combat trousers".
He looks unexpectedly well for his age, and is dressed today in a heavy-knit skull-and-crossbones jumper, a pair of army trousers and posture-correcting trainers that ease the strain on his cartilage-damaged knees.
I was dressed in what my brother refers to as my 'journalist costume': long-sleeve khaki shirt, green army trousers and boots – a fashion-backward ensemble meant to protect me from the pounding summer sun.
I was adamant, seeing this guy on the screen in an alley wearing a battered black leather jacket and army trousers, that nothing would ever top this game.
"Yeah, druggy cunts in fucking army trousers and jumpers and balaclavas, five of them"—Coot, then, "Let's go and have a fucking look".
Sometimes you can get away with it, as with a blue jumper and jeans, or army green trousers and a green top, but you should usually avoid it.
It was a sand-coloured one worn over army surplus-inspired ankle trousers by Dries Van Noten that convinced me I needed a knee-length hem.
For those who loved Dries Van Noten's fall collection of wide-leg trousers in army khaki and chic leopard mufflers, his latest seems a continuation of that masculine attitude.
The pupils of year five at St Aloysius Catholic primary in Roby, Liverpool stand shoulder to shoulder, listening closely as the man in combat trousers and army boots outlines the task ahead.
At first glance, Disclosure and Zed Bias are unlikely allies: the bushy-tailed youngsters in their skinny jeans and hi-tops, and the grizzled veteran in his combat trousers and army boots.
I was never sure if he was actually employed by the owners of PX, but he made a good frontman, with his shock of coal-black hair, modelling the voluminous peg top trousers, leather army coats, fox furs and diamante jewellery.
I'm not sure where her stiff-backed, clumping walk comes from, but it's reminiscent of George Osborne's when he tries to look like a human being for the cameras – and, like the leather trousers and army surplus greatcoat, Helin wears it well.
