The extremely versatile Kyanite AR from Arc'teryx can be worn as a mid-layer or on its own for a wide range of activities. Polartec Power Stretch Pro provides warmth, mobility and moisture management, allows airflow for breathable comfort and features a durable, abrasion-resistant nylon face fabric. The four-way stretch fabric combined with the anatomically pre-shaped fit ensures exceptional freedom of movement. The close-fitting cut offers unrestricted comfort and fits well under a shell jacket or similar.

- Perfect moisture management
- Body-hugging fit with anatomically pre-shaped cut for mobility and comfort
- Hem and flatlock seams are not bulky and increase comfort
- Polartec Power Stretch Pro Fleece combines an extremely robust nylon outer material with a soft, comfortable, brushed inside made from partially recycled polyester
- Cuffs trimmed with durable Tanica stretch fabric
- Raglan sleeves can be perfectly combined in a layering system and increase freedom of movement
- Hem trimmed with durable Tanica stretch fabric
- Two side zipped pockets