Super rare 2025 version. Never used. The Black Hat USA Las Vegas 2025 Conference Crowdstrike Cybersecurity Backpack Bag is a stylish and functional accessory designed for men. Made from durable nylon material, this medium-sized backpack features a solid black color with a USA and hacker theme, perfect for cybersecurity enthusiasts. It includes practical features such as an adjustable strap, inner dividers, and a convenient bottle pocket, making it a versatile choice for carrying essentials while attending the conference.