Leveraging the lightweight performance of Coreloft™ synthetic insulation, Airetica™ ripstop nylon and highly efficient ergonomic patterning, Arc’teryx created a hooded alpinist’s belay jacket that packs to the size of a water bottle and delivers effective warmth for a mere 285 grams. Articulated patterning and underarm gussets provide elevated ergonomic freedom. The fit is trim for maximum thermal efficiency.
Utilizing different volumes of Coreloft™ insulation helped Arc’teryx reduce weight and bulk without sacrificing effective warmth. Using a mapping for warmth approach, they placed loftier 80g Coreloft™ in the body, and a 60g Coreloft™ in the sleeves and side panels to aid breathability, reduce bulk and add mobility.
The Nuclei’s internal pocket serves as an integrated stuff sack. A carabiner clip loop makes it easy to fasten to a harness or pack. Elastic binding around the sleeve cuffs and hood are light, smooth and create a secure fit. Hand pockets have streamlined, invisible zippers.
Full Feature List
Packs up small for easy travel storage
Great warmth-to-weight ratio
Compressible and packable
Micro-seam allowance (1.6 mm) reduces bulk and weight
Anatomical shaping for fit and comfort
Hood fits under helmet
Zippers & Fly Configuration
Full front zip with chin guard and wind flap
Adjustable hem drawcord
Internal stow pocket with attachment point
Two hand pockets with hidden zippers
Included mini stuff sack with drawcord closure
Coreloft™ 80 g/m² insulation. Made with highly crimped multi-denier siliconized polyester yarn, this lightweight, breathable, and thermally efficient, 100% polyester staple fibre it is very compressible and has excellent loft retention.
Coreloft™ 60 g/m² insulation. Made with highly crimped multi-denier siliconized polyester yarn, this lightweight, breathable, and thermally efficient, 100% polyester staple fibre it is very compressible and has excellent loft retention.
Airetica™—100% nylon, 34 g/m². Tightly constructed, high tenacity, 20x10 denier ripstop nylon with a smooth hand.
Machine wash in cold water.
Tumble dry on medium heat.
Do not iron.
Do not use fabric softener.
Klettern Magazine Recommended (Germany)
Desnivel Gear Award Silver Winners - Midlayer Insulation
Find dealers in your area who have recently received a shipment of the Nuclei Hoody: