The stratos 36l daysack from osprey is a rugged and ready pack that boasts unrivalled storage and carrying comfort for its size and weight the adjustable airspeed suspended mesh back system keeps weight directly off the back for maximum load spreading and impact absorption the adjustable torso length and hip belt create a secure and tailored feeling fit with 36 litres of storage and a top and bottom dual entry system providing ample easily accessible storage space for a days adventure or we