Expertly designed and tested for various alpine and backcountry excursions, the Cerium jacket offers compact size, light weight, and exceptional warmth. Its carefully crafted design, utilizing eco-friendly materials, maintains an outstanding warmth-to-weight ratio. Responsibly-sourced 850 fill down, combined with moisture-resistant Coreloft™ synthetic, ensures top-tier insulation. The 15D Arato™ nylon outer is both lightweight and durable, and the bio-derived liner reduces reliance on petroleum. With a streamlined, articulated design, this jacket allows for unrestricted movement.

Technical Features
Moisture-resistant outer face fabric
Breathable
Great warmth-to-weight ratio
Lightweight
Compressible and packable
Wind resistant

Collar Configuration
Insulated collar
Mid height collar seals out drafts, layers easily under a shell

Construction
Down Composite Mapping™ strategically places synthetic insulation in areas where moisture may buildup and down in areas for maximum warmth
850 fill European white goose down for exceptional warmth-to-weight ratio
Recycled 15D Arato™ outer is light, durable, and coloured with dope dyed yarns
Downproof 20D plant-based Arato™ liner is exceptionally lightweight and reduces petroleum use

Cuff & Sleeves Configuration
Stretchy cuffs
Design & Fit
Trim fit makes it an ideal layering piece

Fabric Treatment
FC0-DWR (Durable Water Repellent) finish repels moisture

Hem Configuration
Adjustable hem cord seals out drafts

Integrated Features
Includes stuff sack for compact transport

Patterning
Articulated patterning for unrestricted mobility

Pocket Configuration
Two hand pockets with zippers
Internal zippered security pocket

Sustainability
Contains materials that meet the bluesign® criteria
Dope dyed uses significantly less water and energy in the dyeing process
Contains recycled nylon
RDS (Responsible Down Standard) - 100% of our down is certified to the Responsible Down Standard (RDS) by IDFL (No.TE-99950273)
Feather - This product contains feather not exceeding that allowable by law

Zippers & Fly Configuration
TPU zipper pulls
Reverse coil centre-front zipper improves durability and creates a streamlined profile

Materials
Insulation: 850 fill European white goose down - RDS down
Insulation: Coreloft™ 100 (100 g/m²) and 80 (80 g/m²) - 80% recycled polyester - bluesign Approved Material
Self: Arato™ 15 - 100% recycled dope dye nylon
Lining: Arato™ 20 - 100% Nylon - 60% bio-derived material, FC0 DWR
Origin of fabric: JAPAN
Origin of dying: JAPAN
May release plastic microfibres into the environment when washing

Fair Trade Certified
This product was built by skillful garment workers who directly receive Fair Trade premiums. We are building worker well-being into our product DNA. The independent 3rd party Fair Trade Certified program empowers workers by providing additional funds that workers receive directly to improve their livelihoods. This garment is one of the first from Arc’teryx to be crafted under these terms and launches our commitment to transition 80% of Arc’teryx products to Fair Trade certification by 2025.