From product listing: This Marmot Kompressor Plus hiking backpack is the perfect companion for your next outdoor adventure. With a 20L capacity, it features multiple pockets, a drawstring closure, and a back/shoulder position for comfortable carrying. The backpack is made of lightweight nylon material with a black color finish. It also includes features like a hidden compartment, personalized strap, and a vintage design, making it a stylish addition to your outfit. The backpack is suitable for unisex adults and is ideal for winter hiking activities. Get ready for your next hiking trip with this versatile Marmot Kompressor Plus backpack.