Unlike generic size charts, Size Up! uses an AI agent that knows your body and your wardrobe. Paste any product link and get a size rec based on garments you already own and love โ not guesswork. Built for shoppers of smaller, heritage brands (raw denim, Goodyear-welted boots) where fit varies wildly and sizing feels like a gamble. You can even ask the agent follow-up questions, like chatting with a knowledgeable fit specialist.
๐ Hey PH โ I'm David. After 4.5 years deep in AI (prompt engineering, LLM eval, multimodal UX) on Amazon Alexa+, I set a 2026 goal: build and launch products solo, AI-assisted.
First one: Size Up! โ a web app that helps you get the right size on the first try when shopping online, especially for smaller heritage brands where sizing is inconsistent.
How it works:
๐งต Size Advice & Fit Chat โ paste a product link, and the agent recommends your size based on your wardrobe and body measurements. Ask follow-ups anytime.
๐ My Wardrobe โ save your favorite garments with photos + measurements.
๐ My Body โ save your own measurements to sharpen recommendations.
Free to try now. Would love feedback, especially from anyone who's been burned by online sizing before (raw denim and boot people, I see you ๐ข).
sizeup.sonsofselvedge.co
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