300元以下买不到真羽绒服吗？低价羽绒服背后藏着哪些“猫腻”？

Core Insights - The winter season has led to a surge in down jacket sales, with budget options under 300 yuan becoming popular, raising concerns about their authenticity [1] - The true cost structure of down jackets includes raw materials, labor, and additional expenses, with down filling accounting for a significant portion of the core cost [1][2] - The price of down filling varies significantly, with white duck down costing between 420 to 550 yuan per kilogram and white goose down ranging from 840 to 1200 yuan per kilogram [2] - The core cost of a down jacket filled with 150 grams of white duck down is estimated to be between 126 to 247.5 yuan, suggesting that a reasonable selling price should not be below 300 yuan [2] - The industry has seen an emergence of high-quality, cost-effective down jackets due to market competition, although low prices do not always equate to low quality [2] - Misleading practices, such as using inferior materials labeled as down, are prevalent in the industry, prompting the establishment of new standards to protect consumer rights [3] - Factors influencing down jacket pricing include brand positioning, climate conditions, and market supply and demand [3]