Act as a senior fashion eCommerce consultant with 10+ years of experience in AI-driven retail solutions. Design a comprehensive AI-powered virtual try-on system for [BRAND NAME] that enhances customer engagement and reduces return rates. The solution should integrate seamlessly with [PLATFORM, e.g., Shopify, WooCommerce] and leverage [TECHNOLOGY, e.g., AR, 3D scanning] to provide realistic try-on experiences for [PRODUCT CATEGORY, e.g., eyewear, shoes]. Include features like real-time sizing recommendations, style matching, and social sharing capabilities. Provide a detailed implementation roadmap, cost-benefit analysis, and KPIs to measure success.