Description
The Arc'teryx Men’s Kyanite Base Layer ½ Zip is built for high-output cold-weather pursuits where warmth, mobility, and comfort are essential. As the warmest base layer in the Arc’teryx lineup, it’s made from Polartec® Power Stretch® Pro fleece, which combines a durable nylon outer face with a soft, brushed polyester interior that traps heat and wicks moisture. The stretch fabric moves effortlessly with your body, while thumbholes keep sleeves securely in place during layering. Finished with durable Tanica™ bindings and a streamlined laminated chest pocket, the Kyanite delivers dependable warmth from mountain ascents to frigid mornings in camp.
Features:
- Polartec® Power Stretch® Pro fleece with durable nylon face and soft brushed interior
- Warm, breathable, and lightweight design ideal for stop-and-go cold-weather activity
- Tanica™ stretch fabric binding at cuffs, hem, and collar for durability and comfort
- Articulated patterning and raglan sleeves provide unrestricted mobility
- Thumbholes keep sleeves in place and aid layering
- Laminated zippered chest pocket for small essentials
- Treated with Silvadur™ for odor control
- Contains recycled materials and meets bluesign® sustainability standards
- PFAS-compliant for safer, sustainable performance