18 All purpose sporting bags, backpacks, day packs, knapsacks, rucksacks, book bags, tote bags, handbags, luggage, duffel bags, knapsacks, messenger bags, hip bags, lumbar packs, shoulder bags, waist packs, fanny packs, satchels, mountaineering bags in the nature of rucksacks for mountaineering, internal frame backpacks and external frame backpacks, pouches and bags sold empty for attachment to backpacks, namely, backpack bottle pockets; fitted rain covers used to cover the aforesaid; hydration packs, namely, backpack hydration systems consisting of a backpack, a reservoir, and a mouthpiece connected to the reservoir by a tube; backpack shoulder harnesses being shoulder straps; umbrellas