City Backpack Size:16L Technical sleeping bags are all hiking Technical sleeping bags are all about maximum thermal efficiency The fitted design and seven inch length are perfect for hiking and other active sports where you don't want baggy boardies flapping about – and they've got some nice little touches like a knife loop on the belt and a signature watch pocket in pale red British Millerain waxed cotton Which is exactly what the brand has been doing ever since 2009: building packs and travel accessories that hold up to a lifetime of adventure – all while being as kind to the environment as possible Or take the design of every pack Herschel produces