The Nike Brasilia Mesh Training Backpack in one size is a stylish and functional accessory for travel, casual use, and sports. Made with polyester fabric and featuring a mesh design, this medium-sized backpack also includes a zip closure, shoulder strap, and adjustable strap for added convenience. The blue and white color scheme and solid pattern make it versatile for various occasions, while the bottle pocket adds practicality. With the Nike brand name and unisex design, this backpack is a fashionable choice for everyday use.