Core Viewpoint - The article introduces a new product, the JIAOZI banana purple three-proof down T-shirt, which combines the warmth of down jackets with the comfort of T-shirts, addressing the common winter clothing dilemma of warmth versus style [10][12][19]. Product Features - The T-shirt is filled with 90% white goose down, providing significant warmth, and is designed to be lightweight and non-bulky, making it suitable for cold weather [49][60]. - It features a three-proof technology that is waterproof, oil-proof, and stain-proof, enhancing its practicality for everyday wear [26][39][78]. - The T-shirt's design includes a loose fit that flatters various body types, making it suitable for both men and women [100][106]. Market Performance - The product has gained popularity, with over 20,000 units sold monthly at a price point of around 300+ yuan, indicating strong market demand [21][23]. - The T-shirt is marketed as a cost-effective alternative to traditional down jackets, offering high-quality materials at a competitive price of 89 yuan for one or 169 yuan for two [122]. Technical Specifications - The T-shirt's down filling has been tested and confirmed to have an 88.8% down content, meeting the new national standard for down products [64]. - The fabric is designed to be durable and easy to care for, maintaining its quality after multiple washes without losing its warmth or shape [87][89]. Consumer Appeal - The product is positioned as a versatile wardrobe staple that can be easily paired with various outfits, appealing to a broad demographic [120][122]. - The T-shirt's design and functionality have been positively received by influencers and consumers alike, contributing to its growing popularity [107][108].