While both are staples of athletic and leisure wear, the primary difference lies in their fit, fabric, and intended use. Joggers are typically made from thinner, more breathable, and lightweight materials like cotton-polyester blends or tech-fleece. They feature a tapered leg that narrows toward the ankle, finishing with an elastic or ribbed cuff. This design makes them more "athletic-chic" and suitable for both the gym and casual social outings. On the other hand, sweatpants are the traditional, heavy-duty option. They are usually made from thick, brushed-back jersey or fleece designed to provide maximum warmth and insulation. Unlike the slim-fit profile of joggers, sweatpants typically have a much looser, baggier silhouette throughout the leg and may or may not have a gathered ankle. In 2026, sweatpants are favored for "lounging" and cold-weather activity, while joggers have become the versatile "streetwear" standard that bridges the gap between performance gear and everyday fashion.