Evoc fr supertrail bolivia 20l backpack the fr supertrail named after the la paz region in bolivia is packed with features designed to offer superior comfort with neutrally balanced load distribution it allows full freedom of movement on the bike the fr supertrail includes an integrated back protector and rain cover this limited edition backpack can accommodate a 3 litre hydration pack and its integrated back protector can be worn independently of the backpack features ce certified lites