Mountain Hardwear 2011 Enterprise Daypack Side mesh pockets provide the perfect place for water bottles. Fully bound seams, 210D HexRip nylon panels and a 840D nylon bottom create a ruggedly reliable design. CoolWave suspension enhances fit while bolstering the ventilation of the backpack. Front pocket includes many great organizational features, including soft mesh pockets for electronics. Large main compartment with built-in laptop sleeve brings versatility to the table.