adidas Classic 3S 5 Backpack - Purple | Free Shipping with 。The adidas Originals National 3.0 Backpack in Grey Onyx is a stylish and spacious backpack perfect for travel and casual occasions. Made of durable canvas fabric with a polyester lining, this large-sized backpack features a zip closure, adjustable strap, and a solid grey color with the iconic adidas character. The backpack also includes a top handle for easy carrying, making it a practical choice for school or sports activities. With a modern design and reliable construction, this backpack is a timeless accessory for any wardrobe.