Deuter bike one 18 sl backpackcatering specifically for women deuters sl range features subtle differences which differentiate it from the mens range a shorter back length narrower shorter shoulder straps and conical hip fins provide a fit thats unsurpassed all whilst retaining deuters great features and technology the sl range focuses on fit and comfort and deuters airstripes system with airmesh lining provide excellent ventilation whilst soft edge comfort straps minimise irritation