UA Storm technology delivers an element-battling, highly water-resistant finish. Large main compartment fits a full-size basketball, soccer ball, volleyball, etc.. Tough, abrasion-resistant bottom panel. Breathable air-mesh padded back panel & adjustable, padded shoulder straps for total comfort. Soft-lined laptop sleeve—holds up to 15" MacBook Pro or similarly sized laptop & organization pockets. Adjustable, removable strap clip on shoulder to prevent duffle bag from falling off when carrying both. Welded hypalon modern molle webbing for additional attachment points. Sternum strap clip & top grab handle