Walk into any gym at peak hours, and you’ll notice a familiar sight: rows of people grunting through squats, lunging with dumbbells, or pedaling on bikes—many of them rocking hoodies. It’s not just a random trend; there’s a method to the hoodie madness. As someone who’s spent way too many early mornings and late evenings in gyms (and yes, sported a hoodie or two myself), I’ve picked up on why this humble piece of clothing has become a workout essential. Let’s break it down—no gym jargon, just real reasons from real people. First things first: warmth, but not the way you might think. Gyms can be tricky temperature zones. Ever walked in on a winter morning when the AC’s still cranked up, or in summer when the air conditioning is so aggressive it feels like a refrigerator? Your muscles hate that. Cold muscles are tight muscles, and tight muscles are way more likely to pull or strain when you start lifting or sprinting. A hoodie acts like a portable heater for your body’s most importan...