Venum Challenger Xtrem Backpack: way more than an oversized backpack.This backpack is a fully convertible equipment bag: transform it from its backpackform to a great duffle bag ans take all your gear with you!The mesh panels provide a great ventilation through the bag, keeping your gear fresh and far from the growth of odor-causing germs while the Ripstop fabric is making this bag one of the most resistant ever.The insulated side cooler pocket keeps your water cool for a refreshing reward after an intense training session.The extra storage pockets are very useful to transport your gym stuff. The upper micro-fleece pocket provides protection to your most valuable items. The front storage lacing system and the adjustable tightening straps allow you to adjust your bag to its content and keeps your things tight in place.The padded back and air-mesh fabric were added to offer an ultimate support and a optimal comfort. The adjustable foam-filled shoulder straps will help you to carry your bag without any pain or stress. The Venum Challenger Xtrem Backpack will take you beyond the next level.TECHNICAL FEATURESWater resistant fabric.Oversized zipped main compartment.Duffle zip pleat: allow the bag to be converted from a backpack to a duffle bag very quick.Hidden MP3 player pocket with a headphones opening.Side storage pockets.Insulated side cooler pocket.Upper micro-fleece pocket preventing from scratches on your mobile phone.Front storage with laces system closure.Ergonomic padded with mesh panels.Adjustable shoulder straps with foam padding.Zip closures with Venum zip pullers.Size: 350 x 630 x 240mm to 350 x 880 x 240mm open.Volume: from 45 m3 / liters to 63 m3 / liters open.