The Karrimor Hot Route KS-100t Rucksack is a vintage-era, durable backpack manufactured by the British outdoor brand Karrimor, distinct from modern "Hot Route" footwear lines. Key Details Material & Build: Constructed using Karrimor’s signature KS-100t fabric (a heavy-duty, high-tenacity nylon material famous for its toughness and water resistance during the 1980s and 1990s). Design Features: Features a classic top-loading rucksack design, external storage pockets, hip belt support, and ergonomic shoulder straps.