The Verglas Hooded Insulator works as is, and as extra insulation under a spacious enough shell jacket. - 48% of the 20 denier polyamide surface fabric is recycled fiber - Integrated hood - The polyester insulation, 60g/m², is 85% recycled fiber - Bluesign approved - Zippered hand pockets Verglas series products are designed for hiking use, even for demanding users. The products in this product family are both durable and comfortable: they offer great freedom of movement, and have room for varying thicknesses of base and mid layer apparel.