Explore the most-loved backpacks on e-commerce giants like Amazon, Walmart, Macy’s, eBay, and many more in one place at TopOfStyle. The JanSport started their journey in 1967. They produce and design wide varieties of backpacks, luggage bags etc. Their bags can be used for all purposes such as for school as well as for camping and travelling purposes. Many popular shades of gray are smoke gray, ash gray, charcoal gray, etc.