The High Sierra Evolution Drop Bottom Wheeled Duffel Bag is another perfect companion on your adventure. This duffel bag with wheels is made from 600 Denier Polyester - a man-made fiber produced by the polymerization of the product formed when an alcohol and organic acid react. Loosely defined, denier (D) refers to yarn size: the larger the denier, the bigger the yarn. This extra large XL rolling duffel bag is amazingly sturdy and durable. With in-line skate style wheels, this men's rolling duffel bag is designed for smooth rolling and easy mobility during your travel. The wheels are perfectly balanced for maximum stability so the bag can stand upright and roll smoothly when you're ready to go. This 30" duffel bag features a retractable handle that provides easy maneuverability when extended out from the suitcase, and stores neatly inside when not in use. Locks in place in both the fully extended and stored positions for secure traveling. This men's wheeled duffel bag from High Sierra is packed with great features for the active traveler. These include a main compartment with a U-shaped opening; a large drop-bottom compartment perfect for heavier items; a side storage pocket for your smaller items and an easy access front zippered pocket to keep your essential within easy reach. Perfect as a travel duffel with multiple grab handles conveniently located on the top, front, and bottom of this men's rolling duffel bag so you can easily grab your luggage from any angle. No matter which path you take on your next adventure, High Sierra's Evolution Drop Bottom Wheeled Duffel is the perfect travel companion.