The perfect commuting companion with complete weather protection the dhb waterproof rucksack is a stylish backpack that wont look out of place on or off the bike it has a 25l capacity to cater to all your commuting needs with full waterproofing making it a great bag to use all year around for the ultimate weather protection the bag has a high quality and durable construction with welded seams waterproof fabrics and a secure roll top closer which when rolled down will seal out the worst of