New for this autumn, the Arc’teryx Cerium LT represents the Canadian brand’s first foray into down insulation and it’s already won a few awards. Is it worth the cash? Here’s the lowdown: Arc’teryx Cerium LT Jacket Price: £240 Weight: 261g (L) lightweight; high warmth-to-weight; packable expensive; colour (more subdued colours are available…); no hood It’s hard to believe that Arc’teryx don’t have down insulation in their range, so the introduction of the Cerium LT, plus the heavier Thorium AR, comes as no real surprise. I’ve had an early sample of the Cerium LT for a few months now (yes,…