Core Viewpoint - The rise of delivery worker uniforms is challenging the dominance of outdoor jackets, particularly among young consumers who are increasingly favoring the practicality and affordability of these uniforms over traditional outdoor brands [1][11][40]. Group 1: Market Dynamics - Delivery worker uniforms are becoming a fashionable alternative to outdoor jackets, with various colors and designs from different platforms overshadowing traditional brands [3][12]. - The affordability of delivery uniforms, often priced at tens of dollars compared to hundreds or thousands for outdoor jackets, is a significant factor in their popularity [25][28]. - The trend of wearing delivery uniforms in outdoor activities, such as skiing and hiking, is growing, with these uniforms being seen as stylish and practical [9][22]. Group 2: Consumer Behavior - Young consumers are shifting from seeking "socially popular" brands to "practically popular" items, valuing functionality over brand prestige [43][47]. - The practicality of delivery uniforms, such as their spacious pockets designed for delivery tasks, appeals to outdoor enthusiasts who find them useful for various activities [45][40]. - The perception of delivery uniforms as a form of social currency is rising, allowing wearers to blend into both outdoor and fashion circles [22][24]. Group 3: Brand Competition - Major delivery platforms are investing in high-quality materials and designs for their uniforms, competing directly with established outdoor brands [35][37]. - The use of advanced materials in delivery uniforms, comparable to those used by high-end outdoor brands, enhances their appeal and performance [35][39]. - The collaboration with well-known brands, such as Nike for delivery uniforms, further elevates their status in the fashion and outdoor markets [20][14].