Thanks to the perforated and ergonomic shoulder straps and the lumbar support of the Airstrips back system, the Stepout ensures maximum air circulation and high wearing comfort. The wide U-zip opening at the top of the backpack, side cell phone pocket and elastic side pocket ensure quick access to important items. Inside, the compartment for documents and laptop provides good organization. The fabric of the product, free of PFC, and Green Button bluesign(R) certified, is made from twenty 0.5 litre recycled PET bottles and is produced according to the bluesign(R) standard.