The rapid growth of e-commerce has reshaped consumer behavior in the fashion and apparel industry, making it essential to understand the factors that influence online shopping adoption behaviour. This study aims to identify key determinants affecting consumer choices in this digital shopping environment. A questionnaire designed for the study was administered to 290 respondents across various regions of Gwalior city. Through factor analysis, five critical determinants emerged: Ease of Use, Price Sensitivity, Trust and Security, Social Influence, and Perceived Usefulness were identified. Each of these factors contributes uniquely to shaping online shopping adoption behavior. Ease of Use emphasizes the accessibility of online platforms, while Price Sensitivity reflects consumers attention to cost advantages through online mode. Trust and Security address concerns over data protection, Social Influence captures the impact of peer and societal recommendations, and Perceived Usefulness highlights the value consumers place on convenience and benefits. These findings provide actionable insights for fashion & apparel e-retailers aiming to enhance their platforms, tailoring strategies to meet consumer needs and encourage engagement in the online shopping space.