As its name reveals vario is a flexible miracle of space that can be quickly converted from a convenient bike pannier into a comfortable backpack the waterproof vario is made of tear and abrasion resistant nylon fabric and features a handy roll closure it offers space for a4 files and a 154 laptop the padded carrying system with shoulder straps and adjustable sternum strap can be easily stowed away in the front pocket and quickly and easily fixed to the rear if needed a bike helmet can be