1: Choose a backpack based on your schedule, go for a one-day backpacking trip, bike ride, mountain climbing, and choose a backpack that is less than 30 liters. Two-or three-day camping options range from 30-40 liters of multi-purpose backpacks. More than four days hiking, to place tents, sleeping bags, moisture-proof pads and other outdoor equipment, can choose more than 45 liters of backpack. In addition, the general outdoor activities and mountain climbing with different backpacks, backpacks used for mountain climbing do not have many parts, like mountaineering friends who need to pay attention.
2: According to the number of backpack selection, when hiking alone, you can choose about 25 ~ 35 liters of the backpack. When taking your family and children on holiday trips, you should choose about 40 liters of a rucksack for your family. You should have more external systems to help your family carry umbrellas, cameras, food, etc.
3: Choose your bag according to your body length. Before you choose your bag, you should measure the length of your back, that is, the distance from the cervical spine to the last lumbar spine. If the trunk length is less than 45 cm, you should buy a small bag. If the trunk length between 45-52 cm, should choose a medium bag. If your torso length is more than 52 centimeters, you should pick a larger bag. The standard reference is that the backpack should be able to see from the back of the buttocks and legs. It would be wrong and dangerous to see only one big backpack and two small legs.
4: CHOOSE BACKPACKS BASED ON GENDER. Backpacks are different for men and women because of their size and weight. For a day or two of short-distance excursions, men and women use about 30 liters of backpacks. For long-distance trips or camping lasting more than two to three days, a pack of 45 to 70 liters or more is usually a good choice for men, while a pack of 55 liters or so is a good choice for men The 60 + 10 l design meets most loading requirements. There are also built-in professional tarpaulins to make your trip safer. Women opt for a 45-liter backpack. In addition to this, the style and comfort of the backpack should be tested and selected in person, avoid touching the frame or top pocket as you lift your head. All the parts of the backpack that touch the body must have enough upholstery, and the inner frame and seam of the backpack must be firm. Pay special attention to the thickness and quality of the shoulder straps, and check whether there are straps, belts, straps, straps, straps, etc.