Arena backpack arena one go backpack 45l black the large, ultra stylish training backpack built to keep your gear organised and dry. Organise all the stuff you need for training with the large and ultra stylish arena one go backpack 45l. The top-loading design allows for effortless packing and access to your belongings, while the roomy main compartment and four external zipped front pockets provide multiple storage options. Breathable and watertight inserts keep wet and dry items separate, and the smart laptop sleeve and two external bottle pockets add everyday versatility. Aquabreathe, arena’s new wet management system, combines breathable and water-repellent fabrics to create an advanced ventilation system that keeps water out and your gear dry. The perfect companion for the pool. 45L capacity aquabreathe technology top-loading design wet and dry separation laptop sleeve included water-repellent base 3 key features aquabreathe wet management arena’s aquabreathe system combines breathable and water-repellent fabrics into an advanced ventilation system. It keeps moisture under control so water stays out and your gear stays dry. The breathable back panel also ensures sweat-free transport on the move. Serious storage options one roomy main compartment teams up with four external zipped front pockets to give you plenty of options for wet and dry items. A smart laptop sleeve protects your tech, and two external bottle pockets keep drinks within easy reach. At 45l, there is sp...