Backpack in blue nylon fabric. Ideal for running, mountain biking, and trekking. Volume of 20 litres, expandable by 3 litres via zipper. The back, shoulder straps, and waist are made of super breathable mesh fabric. Breathability is guaranteed by the mesh fabric, while load distribution, and stability in transport, is optimized thanks to the reinforced polyethylene panel in the perimeter area. The backpack features a curvature for greater breathability. Dedicated compartment for water, retractable helmet holder, rear loop for safety light. Large central compartment with zipper opening. Weight: 0.875 Kg. Dimensions: 46x23x15 cm. Gross weight: 935 grams.