One Go Backpack 45LOrganize all the stuff you need for training. The large arena One Go Backpack 45L, featuring a top loading design, allows for effortless packing and access to your belongings. The roomy main compartment and four external zipped front pockets provide multiple storage options. Breathable and watertight inserts keep wet and dry items separate. It includes a smart laptop sleeve and two external bottle pockets. Backpack Features: 45L capacity with top