The Oxsitis Atom 6 hydration backpack is a very practical ultra-lightweight men’s model, offering 6 litres of storage capacity to carry your accessories and equipment during trail runs or hikes. Waterproof, it protects your belongings from water and integrates the Mesh 3D technology with Airback Control System for optimum ventilation of the back. This model can store a 2 litre water bladder and comes with two 500 ml soft flasks. The Easy Fix Pole Control system allows to easily attach your trekking poles and a magnetic bib number holder is also included to complete the features. Trail running hydration vest Oxsitis ---Atom 6 Bleu Citrus