Core Viewpoint - The popularity of Sam's Club's down jackets, priced at 499 yuan with a filling weight of 400 grams, has surged, leading to stock shortages and a thriving resale market on second-hand platforms [1]. Group 1: Product Details - The down jacket features a fabric made of 100% polyester, with an 80% white duck down filling, and specific sizes have different filling weights: M size has 400 grams and L size has 421 grams [1]. - Multiple inquiries to Sam's Club locations in Shanghai revealed that both men's and women's versions of the jacket have been out of stock for some time, with no clear restock date provided [1]. Group 2: Market Response - On second-hand platforms, the resale of the 499 yuan down jacket is thriving, with sellers charging an additional shipping fee of 20 to 40 yuan, indicating high demand despite stock shortages [1]. - Other down jackets and vests from Sam's Club are listed as restocking, with prices ranging from 100 to 400 yuan, suggesting a broader trend in consumer interest for affordable winter wear [3]. Group 3: Consumer Behavior - Consumers express a preference for purchasing down jackets from supermarkets like Sam's Club and Costco, citing trust in the quality of products offered by these brands, even if the jackets are essentially private label items [12]. - The demographic for supermarket down jackets is diverse, appealing to both personal use and gift-giving, with neutral colors being popular among consumers [12].

Core Viewpoint - The surge in sales of Sam's Club down jackets, priced at 499 yuan, indicates a growing consumer interest in affordable yet high-quality winter apparel, leading to stock shortages across multiple locations [1][6]. Group 1: Sales Performance - Sam's Club has experienced a rapid expansion in China, with its parent company Walmart reporting a net sales figure of 6.1 billion USD for the third quarter of fiscal year 2026, reflecting a year-on-year growth of 21.8% [6]. - In the past 12 months, Sam's Club has opened 8 new stores, marking the most aggressive expansion year in China [6]. Group 2: Product Details - The popular down jacket features a filling of 80% white duck down, with the M size containing 400 grams and the L size containing 421 grams of down [6]. - Other supermarkets, such as Costco and Pang Donglai, have also seen similar trends with their down jackets, indicating a broader market interest in affordable winter wear [8]. Group 3: Consumer Insights - The target demographic for Sam's Club down jackets primarily consists of women aged 30-45, particularly practical white-collar workers [10]. - The appeal of supermarket down jackets is attributed to their sufficient filling and clear pricing, with consumers valuing product quality over brand recognition [9][10].