Enhance Your Travel Experience with the GIVI Trekker Outback 42 Liter Waterproof Inner Bag: Robust, Spacious, and Eco-Friendly The GIVI Trekker Outback 42 Liter Waterproof Inner Bag is a must-have for motorcyclists who require a dependable and waterproof storage solution. Designed specifically for the GIVI Trekker Outback top case, this inner bag offers an additional layer of protection for your belongings, ensuring they stay dry and secure.