The PRO 4 is the Largest frame bag in this range. Its PVC-free, welded construction is waterproof and the outer is constructed from durable material that's easy to care for. The MOLLE system offers flexibility in spades, allowing the bag to attach easily to a wide variety of frames. Side zip pockets with smooth-running zips are perfect for stashing Small items. We put just as much attention into designing the interior: multiple compartments are perfect for organising tools, spares and more, while the colour-contrasting material makes it easy to find everything. Reflective details improve visibility on the roads in low-light conditions.Key Features:Welded constructionWaterproofAbrasion-resistant outer materialPVC-freeFlexible attachment due to 360° molle systemReflective elements on both sidesSide pocketMultiple attachment options for various objects insideColour-contrasting pockets inside the bagSelf-explanatoryCustomised designFits various frame types