While the terms "tracksuit" and "sweatsuit" are often used interchangeably, there can be subtle differences. Traditionally, a tracksuit is a more athletic-focused garment, often made from performance fabrics and designed for physical activity. Men's tracksuits sets, in particular, may feature features like moisture-wicking technology and stretch fabrics. Sweatsuits, on the other hand, are typically more casual and are often made from softer, more comfortable materials like cotton or fleece. However, the lines between the two have blurred in recent years, with many modern tracksuits and sweatsuits sharing similar designs and materials.