鸭绒价暴涨，山姆499元羽绒服火了：充绒量400克，“像盖了层被子”，多店断货！客服称“补货时间未知”，有人加价代购

Core Insights - The popularity of Sam's Club's down jackets, priced at 499 yuan with a filling weight of 400 grams, has surged, leading to high demand and resale on second-hand platforms [1][20][21] Product Information - The down jacket features a fabric made of 100% polyester, with an 80% white duck down filling. The filling weight varies by size: S size has 376 grams, M size has 400 grams, and L size has 421 grams [3][21] - Other women's down jackets and vests at Sam's Club are also being restocked, with prices ranging from 100 yuan to 400 yuan [3] Market Trends - The down jacket from Sam's Club is currently out of stock in multiple locations, with no specific restock date provided [19][20] - Other retailers, such as Costco and Pang Donglai, are also experiencing high demand for their down jackets, indicating a broader trend in consumer preference for affordable winter wear [20][21] Consumer Behavior - Consumers express a preference for down jackets from major supermarkets due to their clear specifications on filling weight and price transparency, contrasting with higher-priced options that often have lower filling weights [21] - The rising prices of duck down have led to increased retail prices for down jackets, prompting some brands to reduce filling amounts or use alternative materials to cut costs [22][23] Industry Insights - Industry experts note that some brands are opting for lighter styles with reduced down filling to lower production costs, which may affect product quality [23] - The Chinese Down Industry Association emphasizes the importance of consumers checking labels for filling standards and materials when purchasing down products [23]