Bags are sections of material or fabrics that are utilized to carry objects. Bags can be any variety of sizes, colors and shapes.
Duffels are rectangular bags with handles and typically a shoulder strap. Duffels are often made of nylon or leather and used for short trips or commonly used as a gym bag.
About Moisture Wicking:
Moisture wicking is the property found in some synthetic fabrics that transfers moisture away from the body onto the outer layer of the fabric where it dries faster. Moisture wicking is typically used in athletic apparel designed to improve moisture evaporation and breathability, which helps increase the performance and endurance of the athlete.