adidas by Stella McCartney Convertible Bum Bag - Multicolor 。Adidas by Stella McCartney convertible bum bag offers a versatile 2-in-1 design that transitions from a sleek waist pack to a full-sized backpack. Crafted from vibrant red recycled polyamide, it features a durable nylon-like finish with a distinctive polka dot patterned upper when expanded. The bag is equipped with multiple zip compartments, adjustable straps for a custom fit, and a secure buckle closure, making it an ideal companion for hiking, travel, or gym commutes. Brand: Adidas by Stella McCartney Type: Convertible Backpack / Bum Bag Color: Red Pattern: Solid and Polka Dot Material: 100% Recycled Polyamide Closure: Zip and Buckle Straps: Adjustable Waist and Shoulder Straps Pockets: Front Zip Pocket, Internal Slip Pocket Features: Packable Design, Lightweight, Eco-Friendly Style: Sporty, Athleisure Occasion: Travel, Hiking, Activewear Hardware: Gunmetal Tone Logo Plate Keywords: Athleisure, Sustainable Fashion, Gorpcore, Gym Bag, Travel Gear, Packable, Designer Sportswear, Red Backpack, Waist Pack, Fanny Pack, Hiking Accessory, Stella McCartney Adidas, Versatile Bag