I've used it a few times, but I'm selling it because it was too big for me. It's machine washable. It's very warm, and I was fine with a thin shirt underneath. (Kyushu region) Regarding the storage bag, as the photo shows, there is a scratch on the fastener, so please consider it as a bonus. For winter season activities. High-loft down jacket made with recycled polyester. A high-loft down jacket that allows you to enjoy a wide range of outdoor activities in the winter season. Equipped with Columbia's latest thermal reflective insulation function, Omni-Heat Infinity, which was newly introduced in the fall/winter 2021 season. The gold dot-shaped reflective print on the lining reflects the body's heat, and without compromising breathability, it reflects body heat more efficiently and warms you instantly. The outer fabric uses recycled polyester and has a water-repellent function to prevent unexpected rain and dirt. The hood is removable, making it versatile. It contains 240g of 700FP down, and with its light, warm, and relaxed silhouette, it's a very practical piece. Size 【L】Length 73.5|Bust 137|Shoulder Width 52.5|Sleeve Length 96.5/cm [Material] Outer: Recycled polyester (100% polyester) Lining: Omni-Heat Reflective Infinity (100% polyester) Filling: 700FP RDS down (90% down, 10% feather)