Although one, two or three layers of a functional composition of outdoor clothing will be enough for you on normal hikes in the countryside in mild weather, in extreme conditions there are up to 5 specially defined layers that complement their properties appropriately. The right combination of functional layers helps to protect your body from external influences so that you stay warm and comfortable and can successfully complete your mission. Which layers are these and what are their specifics?

Read the review of the Summit backpack from the Polish brand Helikon-Tex! It is a medium backpack with a capacity of 40 liters, featuring a chimney construction with top loading. How did it perform in the mountains and during military activities? What might interest you about it? And does it have any drawbacks?

Are you looking for a medium-sized universal backpack that you can use both in the mountains and at work or even for exercising? But before you start choosing from various models, first think carefully about what exactly you expect from such a backpack and what it should fulfill. Our tester has compiled 7 criteria for you that you shouldn't leave out when choosing. Let's go for it!