"Newly developed waterproof daypack in two sizes. Features: 2-way TIZIP zipper, breathable harness system with meshed back for optimal ventilation in all sport activities, especially cycling! Waterproof main compartment, as well as a waterproof outer front pocket which also closes with a TIZIP zipper. Two side neoprene pockets with bottom openings for waterbottles. Integration of hydration system is possible for even the tube passage can be hermetically sealed when regular tubes (up to a diameter of 10,5mm) are used, and can also be completely closed from the inside. The mesh helmet flap is hidden in a tiny zipper compartment at the bottom next to the flashing light holder. Further features: internal organizer in , valuables compartment, reflectors on shoulder straps and front, carrying handle. The zipper for the main compartment can be locked with a small padlock (not included)."