The women’s specific Black Hole Pack 23L is a versatile style perfect for everyday life. A showcase of Patagonia’s environmental ethics, it’s made with durable 100% recycled polyester body and lining fabrics and 100% recycled nylon webbing. Comfortable to carry, highly weather-resistant, and accommodating most 15” laptops, getting your essentials across town is easy. Patagonia Black Hole Pack 23L Women's Backpack - Steller Blue