Company registration number: 06866013 | VAT number: GB 865368680 Arc’teryx is designed to balance air flow and keep your core warm. Crafted from Arc'teryx Proton Vest fabric, it’s also employed with Octa® Loft knit insulation to keep you protected in harsh conditions. It’s then complete with three convenient zip pockets at the front and signed off with a signature logo printed at the chest.