All Things Worn is a large online retail platform and a modern second—hand online marketplace where clothing buyers and sellers from all over the world meet. The service unites more than 2 million users and works around the clock, maintaining anonymity and convenient online shopping. It is easy to find used clothes, vintage items, designer lots, luxury and premium clothes, as well as shoes, bags and stylish accessories to create a unique wardrobe. The online store’s catalog is structured by product categories. Each product card contains a detailed description of the product, photos, condition of the item, possible defects in clothing, size grid and product material. Special attention is paid to the authenticity of the goods: there is authentication of goods, authentication and examination of things, which increases confidence in the resale market and the secondary fashion market. Buying clothes online is fast and convenient. The user adds items to the shopping cart, places an order online, reserves or books lots of clothes. Payment by bank card, electronic payment or bank transfer is available. There is a delivery service and a return of the product is provided. The platform supports sustainable consumption, circular fashion and eco-friendly online shopping, helping to reduce waste and create an individual style.