Packs and bags for campers, hikers and travellers; day packs; hydration or re-hydration packs; hydration backpacks; hiking packs and bags; hybrid packs; travel packs; rucksacks; knapsacks; backpacks; pocket wallets; haversacks; parts and accessories for the foregoing such as are in this class, including belts, straps, fittings and harnesses for the foregoing