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 insulating 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. Lightweight, packable insulated jacket with fleece side panels for breathability and superb mobility. Now with larger baffles and warm, high-loft synthetic insulation, it's ideal as an outer in the warmer months or for layering in cold conditions. Features Under helmet hybrid fleece and synthetic insulated hood construction YKK® VISLON® centre front zip with insulated zip baffle and fleece lined chin guard 2 YKK® concealed zipped hand pockets YKK® zipped inner security chest pocket Integrated storage pocket with clip-in loop Articulated sleeves, with semi-elasticated cuffs Single side hem adjustment with anti snag tether Materials 20D Recycled Pertex® Quantum outer (38gsm) with fluorocarbon free DWR Thermic™ stretch fleece (215gsm) side panels 20D Recycled Pertex® Quantum lining (38gsm) with fluorocarbon free DWR PrimaLoft® Silver RISE 100% recycled synthetic insulation (130g/4.6oz, Size 10) Main: 100% polyamide (recycled); Second: 94% polyester 6% spandex; Lining: 100% polyamide (recycled) Specification Fit: Slim Centre back length (Size 10): 67cm / 26.4inch 380g/13.4oz (Size 10)