100% polyester; UA Storm technology delivers an element- battling, highly water-resistant & stain resistant finish; Soft-lined laptop sleeve—holds up to 15"; Water-Repellent front valuables pocket; Two side water bottle pockets; Top grab-handle; Adjustable HeatGear® shoulder straps; Two D-Rings & molle webbing on shoulder straps for additional attachment points; Adjustable, removable UA Strap Clip™ on shoulder; Breathable mesh back panel; Large, gusseted front laundry/shoe pocket at bottom of bag; ;