JanSport Digital Student Backpack Iso laptop sleeeve: Fully padded laptop protection in a a dedicated zip compartment Water resistant: Durable fabric treated to protect against the elements. Air vent: Customized foam back panel actively channels air away from your body, while being supportive and comfortable Dual-trekking pole attachment: Use this bungee system to hold your walking stick, umbrella, or just about anything with that shape! Recycled content: Featuring 51% recycled 600D polyester fabric