The 15 Inch back pack's just-right size means you can bring the school supplies AND your favorite snack. Measuring 15 x 11 x 7 inches, these waterproof backpacks for teen girls and boys are perfect for school, practice, and travel.
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10 to 19 liters: For light loads and 13-inch laptops. 20 to 29 liters: Best for students and 15- to 16-inch laptops. 30 to 39 liters: For super-size workloads and weekend trips. 50 to 80 liters: For hikers and campers.
Need to Know: School Backpack Capacity Guidelines for Kids of All Ages. For preschoolers, it is recommended to look for backpacks with a maximum size of 15L. For elementary schoolers, larger sized bags (maximum 20L) become more suitable. For middle schoolers, a couple of options between 25-35L is ideal.
The 16 Inch boys and girls backpack's just-right size means you can bring the school supplies and your favorite snack. Measuring 16 x 12.5 x 9.5 inches, this school backpack is perfect for practice, and travel.
Should I size up or size down? We recommend sizing down if you are between sizes. It is very important that the waist belt is able to securely tighten around your hips. If your waist belt is too big you will have a hard time getting the weight in your pack to transfer from your shoulders to your hips.
The hip belt of a well-fitting pack will be centered on top of your iliac crest. It won't be any higher or lower. If the hip belt slides below your iliac crest while you are trying on the pack, then it is too big. If it rests on your lower back, then it is too small.
Backpacks should be no longer than a child's back. The ideal height and width can be found by taking 2 measurements of a child's back, or by using an average child size chart (see Below) and adjusting as necessary. The core and hip muscles carry much of a backpack's weight so support is key.