Experience alpine-ready warmth and unmatched versatility with the Cirrus Flex Jacket. Designed for year-round use, this lightweight, packable synthetic insulation layer adapts seamlessly to any mountain adventure. Whether you’re layering up for deep winter climbs or wearing it as a standalone outer layer in milder weather, the Cirrus Flex delivers low-bulk warmth and exceptional freedom of movement.
**Key Features:**
– **High-Performance Insulation:** Engineered with PrimaLoft® Silver RISE insulation, this jacket boasts larger baffles that maximize loft and heat retention, ensuring you stay warm even in wet conditions. The insulation’s advanced design resists clumping, maintaining its insulating properties when damp.
– **Thermic™ Stretch Fleece Panels:** The signature fleece side panels enhance mobility and breathability, making it easier to layer and move comfortably during your climbs and scrambles.
– **Ultra-Lightweight Design:** Built with 20D Pertex® 
