Used a few times for short periods going to and from塾 (cram school) after purchase. It quickly became too small and has been stored in the closet. No sebum stains around the neck, no stains on the arms. I believe the down is still fluffy. I look forward to your purchase if you understand. Navy down jacket with hood, size L, washable by hand. - Color: Navy - Size: L - Material: Down - Features: Hooded - Washing instructions: Hand washable Thank you for viewing.