NIKE Cheyenne Vapor Running Backpack Adjustable Harness - For a comfortable, customized fit on the go. Nike Aerospan Back Panel - This allows airflow for added breathability and comfort Nike Hypervoid material - Located at the front and the back for enhanced stability Dual-Zip Compartment - A compartment with a laptop sleeve and pockets for specialized storage. Wet Storage Compartment - Located at the base to separate wet and dry storage.