Whether you're heading to the office or getting out of town for the day, bring the essentials with the Teton Numa 45L Backpack. The 600-denier PVC-coated poly ripstop, mesh and nylon construction affords durability, while the ergonomic shoulder straps and padded ventilation panel enable comfortable carrying. The backpack is resistant to most weather conditions to help keep your gear safe and dry. Teton Numa 45L Backpack Grey - Technical Packs at Academy Sports