Solar powered ventilation fans activate automatically during heat stress detection.

Light and packable, the Cirrus Flex is the ultimate year-round synthetic insulation. Its versatile enough to accompany you on any mountain adventure, either as an outer in the warmer months or as an active booster layer when the temperatures drop. With its hallmark fleece side panels that breathe on the climb and reduce bulk, its easy to layer and offers superb freedom of movement. Re-engineered with high-lofting PrimaLoft Silver RISE insulation, it features larger baffles that allow the insulation to loft more and retain more heat. Delivering exceptional warmth for weight, the insulation recovers quickly when wet, making it the ideal choice for your hikes, climbs, and scrambles in damp weather.

Features:

• PrimaLoft Silver RISE insulation resists clumping when wet, keeping you warm in damp weather.
  
• YKK VISLON centre front zip with insulated zip baffle and fleece-lined chin guard.
  
• 2 YKK concealed zipped hand pockets.
  
• The Cirrus Flexs signature Thermic stretch fleece panels offer mobility and breathability.
  
• YKK zipped inner security chest pocket.
  
• Larger baffles allow insulation to loft more and trap warmth more effectively.
  
• Elasticated armholes for warmth and comfort.
  
• Weve shaved weight by using a lightweight, 20D Pertex Quantum fabric.
  
• Single sided hem adjustment with anti-snag tether.
  
• Multiple secure pockets, one of which doubles up as an integrated storage pocket.

Is resistant to stretching