The Aevor Daypack Proof laptop backpack has a bent collar, thanks to which you can increase or decrease the volume of the backpack. This Aevor backpack has water-repellent material. The Aevor Daypack Proof backpack is equipped with an internal compartment suitable for storing a laptop. AEVOR is licensed with the "Grüner Knopf" certification mark, which confirms that we take social and environmental responsibility in our supply chains - meeting defined criteria. * volume: 18 L (maximum volume 28 L) * material: 50% recycled polyester, 50% polyester * water column 15,000 mm * dimensions: 48 x 34 x 14 cm * water-repellent material * PFC-free production (without harmful chemicals) * main pocket with two-way zip and two metal hooks * inside 2 mesh pockets with zip * top zip pocket * entrance to the main compartment also from the top * reinforced laptop pocket in the back with a maximum size of approx. 34 x 23 cm (15'') * reinforced back panel * height-adjustable ergonomically shaped shoulder straps * height-adjustable chest strap * loop for better transfer and handling * reinforced bottom * GOTS certified - The Global Organic Textile Standard (GOTS) is recognized worldwide as the leading standard for the processing of textiles made from organic natural fibers. without PFC * the bluesign® system is based on minimizing the impact on the environment during the entire production process * the Aevor brand is a leading member of the Fair Wear organization