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For cold, dry days in the mountains or the city, the Arc'teryx Thorium AR Jacket is a super warm 750 fill goose down and Coreloft™ mid-layer. The collar is the perfect height for protecting the neck while still allowing for hassle-free layering. We all know the one downfall of down insulation is that it often fails to keep you cozy when wet. Synthetic insulation, however, is much more resilient in moisture. For this reason, Arc'teryx Down Composite Mapping™ Technology puts synthetic Coreloft™ insulation in areas that are prone to getting wet - the shoulders, underarms and wrists.
Arato™40 – Soft, durable, 100% Nylon face fabric withstands abrasion while durable water repellent finish repels moisture
750 Fill European Grey Goose Down
Coreloft® 80 and 140 (80 g/m² / 140 g/m²) in Hood, Shoulders, Underarms and Wrists | 100% Polyester – Made with highly-crimped, multi-denier, siliconized polyester yarn, this lightweight, breathable, thermally efficient staple fiber is very compressible and has excellent loft retention.
Athletic Fit – Arc'teryx's "standard" fit, these complex patterns utilize anatomical shaping and gussets to enhance motion and eliminate excess bulk.
Two Zippered Hand Pockets
Collar height provides warmth while layering easily
Low profile, elasticized cuff layers easily
Adjustable hem drawcord seals out cold
Includes Stuff Sack