Get ready for your next adventure with this Nike Air Backpack (21L). Get ready for your next adventure with this Nike Air Backpack (21L). Haul loop gives you an alternate carrying option. Front bungee system lets you quickly stash a jacket or other essentials. Padded shoulder straps are adjustable for a comfortable fit. Keep your gear in check with a backpack inspired by the iconic Air Max 95. With convenient organization that includes a laptop sleeve and water bottle pouch, this backpack keeps up with you. Padded adjustable straps keep you comfortable whether you're headed to a game of pickup ball or hanging out with friends.