These bags are tough, light, and water rolls right off themand those bungee sleeves make it easy to stow things like a warm-up jacket quickly. UA Storm technology delivers an element-battling, highly water-resistant & stain-resistant finish. Padded back panel & ergonomic straps for comfortable carry. Soft-lined laptop sleeveholds up to 15"" MacBook Pro or similarly sized laptop with organization panel. Front sleeve with bungee adjust pull cord for easily stashing a jacket, pair of shoes, or ball. Large, zippered front valuables pocket. Durable, abrasion-resistant coated bottom panel. 2 side water bottle pockets. Dimensions When Full: 12.6""W x 7.4'H x 18.5""L. Volume: 26L. 100% Polyester.