How to choose a hiking backpack

You shall not go light on your gear, but every extra pound hurts twice as much on a hike. What to pack and what to leave pose neverending dilemma. You have to contemplate not only all the equipment, but also the backpacks itself. While choosing, you have to consider length of the route, type of the hiking activity, weather, the size of the backpack and also if it is made for a man or woman.