Over 26.2 miles, minor gear inefficiencies compound into race-ending problems. A poorly designed top magnifies friction, adds unnecessary weight, and drastically increases thermal stress. In high-intensity, long-distance scenarios, standard fabrics absorb sweat until they act like a heavy, wet towel. This excess moisture alters your running biomechanics. It introduces micro-drag and creates severe chafing hazards across sensitive areas. You end up wasting vital energy fighting your apparel instead of focusing on the finish line.
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