Designed to work as both a backpack & a duffle. UA Storm technology delivers an element-battling, highly water-resistant finish. Constructed with extremely tough & durable CORDURAfabric. Tough, abrasion-resistant PU coated bottom panel. Ergonomic foam padded HeatGearshoulder straps & chest clip. Compression molded foam back panel for total comfort. Soft-lined laptop sleeve—holds up to 15†MacBook Proor similarly sized laptop. Two side end pockets, one gusseted. Large front pocket with two secondary front pockets built-in . Spacious main compartment zips shut. Tons of molle webbing for additional attachment points.