Buying clothes and shoes online should not feel like a gamble. Every shopper knows the routine anyway: order your usual size, wait for it to arrive, and find the fit is nothing like you pictured. A medium that fits like a small. Jeans that stretch out by the weekend. A return label sitting in the box before you have even tried the thing on. ThisFits exists to take the guessing out of it.
ThisFits helps you find your right size in any brand before you buy. Instead of one universal size chart that pretends every label fits the same way, we look at how each brand actually runs, how its sizing lines up against the others already in your wardrobe, and what real shoppers report once an item arrives. The result is a straight answer to the only question that matters at checkout: will this fit me?
ThisFits started with a simple, tired frustration. Too many online orders came home in the wrong size, and the size charts never seemed to tell the real story. One brand's medium was another brand's large, and no amount of squinting at a measurement table made the difference obvious before it was too late. The fix was not a better chart. It was honest, brand-by-brand guidance built for the way people actually shop.
We combine detailed brand sizing data with feedback from real shoppers, and we stay honest when a brand runs unpredictably rather than smoothing it over. When there is not enough to give a confident answer, we say so plainly. Sizing advice is only worth anything if you can trust it.
ThisFits is an independent product founded and built by Kait Thompson, based in Toronto. It is not backed by a retailer or a sizing vendor, which means the guidance answers to shoppers and no one else.
Questions, corrections, or a brand you want us to cover? Reach us at hello@thisfits.app.