Mantis 30 Backpack Created to give you the freedom to roam – and made with a clean design and recycled materials – the largest Mantis’ capacity, organization, durability, and balanced carry make it a go-to however and wherever you want to explore. Its wide top opening allows easy access to the large main compartment, and multiple pockets -inside and out – organize gear. The padded back, frame sheet, and aluminum stay combine for a comfortable carry, and a sleeve in the main compartment holds your hydration reservoir or laptop. Arc'teryx Mantis 30L Backpack | Alpine Country Lodge | St. John's