Overboard 35l adventure duffel bag description this adventure holdall is the ultimate hard wearing travel or sports bag made of durable pvc tarpaulin and with weatherproof zips to protect against the elements thanks to removable backpack straps and plenty more straps handles our waterproof duffel bag is also super easy to carry and if your sports gear does get a tad sweaty you can pop it into the internal wetdry pocket to separate it from other contents accessing your gear is eas