What Does Size OS Mean in Backpacks?
Backpacks are an essential part of everyday life. Whether it’s for school, work, or a weekend getaway, a backpack is an essential item. But, when you’re shopping for a backpack, you might come across an acronym or term you may not be familiar with: OS. So, what does size OS mean in backpacks? What Does OS Stand For? OS stands for “One Size.” When you see “One Size” listed for a backpack, it means that the backpack is designed to fit a wide range of body types, from petite to plus-sized....