Arcteryx Nuclei FL Jacket Men's

  • Model: Nuclei-FL-Jacket
  • Shipping Weight: 290g
  • Units in Stock: 823

$166

Leveraging the lightweight performance of Coreloft™ synthetic insulation, an ultralight Arato™ nylon shell and highly efficient ergonomic patterning, Arc’teryx created an alpinist’s hooded belay jacket that packs to the size of a water bottle and delivers effective warmth for a mere 290 grams. Articulated patterning and gusseted underarms provide extended mobility without sacrificing coverage. The Arc’teryx Trim fit accommodates light layers, but stays close to the body for a higher level of thermal efficiency, and Arc’teryx e3D (ergonomic 3-Dimensional) patterning utilizes extra space in key joint areas to bring an added level of use specific articulation.

OPTIMIZING INSULATION

With light and compact warmth as the goal, Arc’teryx refined the Nuclei FL’s design. Utilizing different volumes of Coreloft™ insulation helped Arc’teryx reduce weight and bulk without sacrificing effective warmth. Mapping the insulation to place specific weights where they deliver the most appropriate benefit, loftier 80g Coreloft™ in the body places a higher level of warmth where it is needed. Lighter, more compact 60g Coreloft™ insulates the sleeves and side panels to aid air permeability, streamline fit and improve mobility.

STREAMLINED FEATURES

Disciplined in its design, the Nuclei FL is as streamlined as possible. Simple elastic binding around the cuffs and hood is light, smooth and creates a secure fit. Hand pockets have minimized zippers that stay out of the way of rope and rock. The Nuclei’s internal pocket includes a removable stuff sack with a carabiner clip loop that allows it to be easily fastened to a harness or pack. The Arc’teryx No Slip Zip™ secures the closure with a series of small bumps spaced every twelfth tooth to secure the slider and prevent self opening but still unzips with a single hand for rapid ventilation.

Learn More About This Product

Arc'teryx Coreloft™ Insulation

Coreloft FibresCoreloft™ insulation

Developed by Arc'teryx, Coreloft™ is a synthetic insulation made of staple fibres in mixed sizes that are crimped to trap air and retain warmth. Available in different thicknesses for end-use performance and comfort.

Key Advantages

  • Lightweight and highly compressible
  • Durable and resilient
  • Retains its warmth in humid and wet conditions and dries quickly if wet

Full Feature List

Technical Features
  • Packs up small for easy travel storage
  • Breathable
  • Great warmth-to-weight ratio
  • Lightweight
  • Low profile
  • Compressible and packable
Construction
  • Micro-seam allowance (1.6 mm) reduces bulk and weight
  • Arc'teryx Nu water repellent treatment
Patterning
  • Articulated patterning for unrestricted mobility
  • e3D Ergonomic 3-Dimensional patterning for enhanced comfort and mobility
  • Gusseted underarms
  • Trim fit for base layer or light mid-layer use
Hood Configuration
  • Insulated hood
  • Helmet compatible
Zippers & Fly Configuration
  • No Slip Zip™ front zipper
  • Full front zip with chin guard and wind flap
Hem Configuration
  • Adjustable hem drawcord
Pocket Configuration
  • Two hand pockets with hidden zippers
  • Included mini stuff sack with drawcord closure
Integrated Features
  • Stuff sack can be clipped to a harness

Materials

  • Coreloft™ 80 (80 g/m²) insulation. Made with highly crimped multi-denier siliconized polyester yarn, this lightweight, breathable, and thermally efficient, 100% polyester staple fibre is very compressible and has excellent loft retention.
  • Coreloft™ 60 (60 g/m²) insulation. Made with highly crimped multi-denier siliconized polyester yarn, this lightweight, breathable, and thermally efficient, 100% polyester staple fibre is very compressible and has excellent loft retention.
  • Arato™ 10 - 100% nylon

Care

  • Machine wash in warm water (30°C).
  • Double rinse.
  • Do not use fabric softener.
  • Tumble dry on medium heat.
  • Do not iron.

Awards

  • Desnivel Gear Award Silver Winners - Midlayer Insulation
  • Klettern Magazine Recommended (Germany)

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