Outer: 100% polyamide. Trim: 100% polyester. Approximately 80g of recycled material went into making this product Lightweight waterproof shell that's the perfect low-profile trail companion AquaDry Membrane construction with grown-on hood and 2 zipped handwarmer pockets Packs small into its own stuff sack Waterproof 10,000mm Breathable 10,000g/m2/24hrs Adjustable hem 2 pockets Reflective detail Stuff sack