Omni-Shield advanced repellency keeps the packs contents dry, while the Backdraft ventilated backpanel uses directional foam conduits that allow hot air to rise and be replaced by cooler air to keep your back comfortable and dry. All contact points feature breathable mesh and side vents to further eliminate hotspots. The minimalist 10mm-thick Velocity L.O.A.D. straps are made from two layers of ultra-light Techlite foama softer one on the inside for next-to-body comfort and a more rigid one on the outside for durability. The Techlite is molded around super-strong mesh inserts for unprecedented breathability and featherweight strength. The Treadlites Silverback reflective lining provides a bright interior so you can see your gear better for grabbing things on the fly. A large main opening includes inner bungee holds and mesh organization pockets to keep all your small items organized. The foam wrap hip belt is removable, and a small exterior pocket at top is lined with soft tricot to keep your electronics safe and secure.