SOL'S WILSON BW MEN, Lightweight down vest for men, Outer fabric and lining: 100% polyamide, Filling (please note that we are in the process of transitioning stock): 90% down and 10% feather until stock runs out. Then transition to 60% Sorona 40% recycled polyester. POLYAMIDE 380T, Zip opening, 2 front zip pockets, 2 inner pockets, Small high neck, Slim fit, Bag folding system with stops. About size matching, please refer to the size chart in the product documentation section.