97/3 polyester/elastane; Water-resistant UA Storm technology keeps your stuff dry; Back compartment with soft lined 15" laptop sleeve & organization pockets; Front valuables pocket; Two side water bottle pockets; Top and Front Grab Handles; LEVELEDâ„¢ strap system; Adjustable, removable UA Strap Clipâ„¢; Breathable foam back panel for ultimate comfort & support;