Lightweight breathable 2.5-Layer waterproof fabric in a fully seam sealed construction External stormflap protects front zipCentre back mesh vents for breathabilityConcealed zipped rear pocketElasticated cuffs and rear hemSoft microfibre collar panel for comfort and warmth Tiny pack size stuff sack included Reflective trims , Lightweight breathable 2.5-Layer waterproof fabric in a fully seam sealed construction , External stormflap protects front zip, Centre back mesh vents for breathability, Concealed zipped rear pocket