Gabe De Sousa

I’m a sneaker and boot sizing expert with years of hands-on experience in footwear retail. I spent years working in shoe stores, fitting customers day in and day out. That real-world experience taught me something most online guides miss: sizing isn’t just about numbers on a chart. It’s about foot shape, volume, width, materials, and how different brands build their lasts. Over the years, I’ve fitted everything from performance basketball sneakers and running shoes to heritage boots and workwear staples. I’ve seen how sizing varies between brands, how certain models run small or big, and how small fit differences can completely change comfort. Today, I run SizeChartGuru.com, where I share the practical sizing knowledge I’ve gathered through years of in-store fittings and hands-on test...