97% Polyester, 3% Elastane; Water-resistant UA Storm technology keeps your stuff dry; LEVELED™ strap system guides you to assure straps are adjusted evenly for balanced weight distribution; Back compartment with softlined 15" laptop sleeve & organization pockets; Breathable foam back panel for ultimate comfort & support; Adjustable, removable UA Strap Clip™ on shoulder to prevent duffle bag from falling off when carrying both; Strap clip works best when sternum clip is fastened; Front valuables pocket; 2 side water bottle pockets; Top and Front Grab Handles ; Product Size: 7.9" H x 19.9" H x 12" L ; Volume: 33 L