The Mackage Mike down jacket is lightweight and practical, with a slim-fit shape. Crafted from two-way stretch-shell and filled with warm down, it has leather drawcords to adjust the hood and elasticated trims to trap warmth inside. Leather ‘M’ patches add the finishing touches to the versatile, multi-season design.Main/Lining: 82% Polyamide, 18% Nylon. Contrast: Leather. Filling: 90% Duck Down, 10% Feathers.