- Breathable, Insulated, Lightweight and Wind resistant
- Compressible and packable
- Down Composite Mapping strategically places synthetic insulation in areas where moisture may buildup and down in areas for maximum warmth
- Regular fit provides freedom of movement with room for layers
- Synthetically insulated low profile StormHood and Soft, smooth lined collar
- Full front zip with chin guard and wind flap and Corded zipper-pulls reduce noise and are easy to grab
- Two concealed zippered hand pockets, Internal zippered pocket with a 2.5L stuff sack
- DWR (Durable Water Repellent) finish repels moisture
- Coreloft 80 (80 g/m/2) 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 140 (140 g/m/2) 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 30 - 100% Nylon
- 750 fill European grey goose down (130 g-M)
Arc'teryx designs for use in true alpine conditions. Exceptionally versatile, hardwearing and warm, the Thorium AR Hoody performs as a cold weather midlayer and as a standalone. The Thorium's regular fit is streamlined and layers easily under a hardshell in cold conditions. Lofty 750 fill European grey goose down give incredible warmth for little weight, is durably resilient, and packs easily. The outer is updated with durable and subtly textured Arato 30 Nylon. This lightweight material withstands abrasion, packs compactly and has a DWR finish to repel moisture. Arc'teryx Down Composite Mapping technology combines the goose down insulation with panels of Coreloft synthetic insulation in the hood, cuffs and under the arms, areas prone to moisture. Down is used in the sleeves and around the body's core. The Thorium is equipped with a synthetically insulated Stormhood, two zippered pockets secure small essentials and updated to include an internal zipper pocket with a stuff sack.