Arcteryx Cerium SL Hoody is the jacket you pack when every gram matters, but you still want real warmth. It’s extremely lightweight, highly compressible, and perfect for your backpack – the kind of layer that lives there all season because it weighs almost nothing, yet saves you every time you stop and the cold kicks in. The main insulation is 1000-fill goose down, the highest level of down used by Arc’teryx, which means it delivers incredible warmth at an ultra-low weight. In areas where moisture can build up (like under the arms), it uses Coreloft synthetic insulation, which stays warm even when slightly damp, so the down won’t collapse or lose loft. The shell is made from an improved, ultralight nylon fabric that resists abrasion, and the FC0 DWR coating repels moisture without using PFAS chemicals. This isn’t a jacket for high-output activity – it’s built for maximum warmth when you stop moving, exactly when you need it most.
Features:
Moisture-resistant outer fabric shields from wind and light rain
Exceptional warmth-to-weight ratio – maximum insulation with minimum bulk
Ultra-lightweight and highly packable – packs into included stuff sack
Breathable and doesn’t feel plasticky against the skin
Durable ultralight fabric, built for mountain use
Down Composite Mapping™ – down where you need warmth, synthetic where moisture occurs
1000-fill goose down – highest-grade insulation in the Arc’teryx lineup
10D Pertex® Quantum shell – ultralight, tear-resistant and 100% downproof
Sewn-through construction – reduces weight and prevents down shifting
Articulated fit with shaped patterning for unrestricted movement
Adjustable hem seals out drafts
Included stuff sack for easy packing
Bluesign® approved materials + recycled fabrics
RDS-certified down (ethically sourced)
FC0 DWR finish – PFAS-free
Fitted fit
Weight: 208 g
Item code: X000009506-BLK-XS
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