Venum Challager Xtreme Backpack:
more than an oversize backpack.
-Durable and waterproof polyester fabric.
-Bellows pocket with zip to increase capacity.
-Ability to quickly convert the backpack in a duffel bag.
-Hidden pocket for MP3 player with earphone wire hole.
-Thermal Compartment to keep cool drinks.
-Anti-theft Microtasca to securely store your cell phone.
-The central space is designed to neatly contain all material from training.
-Ergonomic padded Back for comfort.
-Air-Mesh Finish for good transpiration on the back.
-Padded shoulder straps.
-Sizes from 35x63x24 cm (close) to 35x88x24 cm (open) / From 45 to 63 liters