Evoc cc 10l backpack 2l bladderevocs cc 10l backpack is a versatile day backpack that is compact light and has a ventilation system ideal for city commutes or mountain hikes thanks mainly to evocs brace link air pad system and air circulation technology lightweightthis backpack is lightweight weighing only 655g and not only is it laden with technology it also packs a punch in the features department for starters theres a 2 step zip system backlight clip and a tool compartment with