A Canadian brand of technical outerwear valued by literally any professional mountain guide, rock climber, or ice climber.
While the North Face has become the Abercrombie and Fitch of Outerwear, Arc'Teryx keeps a low profile and can be seen warming up many of the top outdoor athletes in the world.
If you see someone wearing an Arc'teryx jacket, it has likely actually seen the rugged outdoors since even yuppies are unlikely to pay $500 for a jacket while they would be fine dropping $150 for a North Face fleece despite the fact the Arc'Teryx jacket is literally worth the $500.
Also, anybody with an Arc'Teryx softshell or jacket will brag about temperature ranges in celsius because they're too cool for fahrenheit.
The brand is named after the oldest bird currently known to man: the Archaeopteryx.
Person 1: Dude aren't you cold with that spandex pullover?
Person 2: Actually, it's called a technical softshell, and since it's made by Arc'Teryx it weighs 200g less than your stupid North Face fleece and keeps me warm to -10C.