UA Storm technology delivers an element-battling, highly water-repellent finish; Tough, TPU-coated, and foam-lined bottom and side panels for added durability and structure; Dual water bottle slip pocket; Large vented pocket for laundry or shoes and internal slip pockets for organization; Large front zippered organization pocket and molle webbing attachment points; Removable, padded, HeatGear shoulder strap easily stows away in the side pocket; Padded top grab handle