The Eira Timber System jacket has it all. The 20K/20K Nylon 2.5 layer shell includes fully taped seams, YKK Aquaguard zips and a custom printed sateen lining. Zip in the 60% recycled polyester base liner with 100 g of PrimaLoft Silver Eco Insulation to wear as a system, or wear each layer on it’s own.