Purchased two months ago and used once indoors. Product Information: Storage Size: 8.5x15cm Weight: 72g Filling: 90% White Goose Down 750FP Fill Weight: 38g Features: Ultra-lightweight Compact Warmth Waterproof Material Adjustable 【Premium Down - Promises Comfortable Temperature】The Naturehike down hat is made with 90% premium down, free of odors and impurities. Not only is it light and soft, but it also has a high warmth retention rating of 750FP. The outer fabric uses strict 20D 400T nylon, providing waterproof functionality, good durability, and preventing down leakage. Furthermore, the high-quality material is gentle on the skin. - Brand: Naturehike - Color: Black - Storage Size: Compact storage possible - Features: Down material, with hood - Uses: Outdoor activities, mountaineering, camping [Naturehike] Down Hat Goose Down Winter Outdoor 750FP Ultra-lightweight Cold Protection Windproof Warm Down Cap Warming Camping Hiking Solo Camping Winter Camping Outdoor Mountaineering Naturehike