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Backpacks with changable capacity

 prices on 49 models  

Сapacity change

— the ability to increase / decrease the volume of the backpack. Most often, this function is provided by unzipping the zipper around the perimeter of the model itself (in fact, the volume of the main compartment increases according to the principle as it is done in suitcases), there are exceptions with the location of the zipper in the lower part or the front. Do not confuse a change in volume with screeds. In this case, changing the volume physically increases the size of the backpack, releasing the hidden (folded or zipped) parts of the main or additional compartment.
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Backpack Mark Ryden King 36 L
for tourism (cabin), on a suitcase, 36 L, capacity change, for laptop, pockets: front, on the back, on strap, 48x30x15 cm, weight 1500 g

Backpack Canyon BPL-5
urban, on a suitcase, capacity change, for laptop, pockets: front, on the back, on strap, 41x30x12 cm

Backpack HP Renew Executive 16 20.5 L
urban, on a suitcase, 20.5 L, capacity change, for laptop, RFID-protection, pockets: front, on the back, 43x29x15.5 cm, weight 930 g

Backpack Sierra Designs Flex Capacitor 40-60 60 L
camping, 60 L, capacity change, rigid frame, pockets: top, on strap, on belt, 70x28x25 cm, weight 1190 g

Backpack HP Travel 18L 18 L
urban, on a suitcase, 18 L, capacity change, for laptop, reflective, pockets: front, 42x29x16 cm, weight 510 g

Backpack Peak Design Travel Backpack 45L 35 L
urban, 35 L, capacity change, for laptop, pockets: top, 56x33x24 cm, weight 2050 g

Backpack HP Travel 25L 25 L
urban, on a suitcase, 25 L, capacity change, for laptop, reflective, RFID-protection, pockets: front, on the back, 44x32x17 cm, weight 860 g

Backpack Dicota Hi-Vis 32-38L 38 L
urban, 38 L, capacity change, for laptop, rain cover, reflective, pockets: front, on the back, 52x36x26 cm, weight 1640 g

Backpack Canyon BPE-5 22 L
urban, on a suitcase, 22 L, capacity change, for laptop, pockets: front, 41x30x12 cm

Backpack Peak Design Travel Backpack 30L 27 L
urban, 27 L, capacity change, for laptop, pockets: top, 53x34x18 cm, weight 1440 g

Backpack XD Design Bobby Explore 27 L
urban, on a suitcase, 27 L, capacity change, for laptop, reflective, RFID-protection, hidden zipper, pockets: top, lower, on the back, 33x52x20 cm, weight 1620 g

Backpack XD Design Bobby Soft Anti-Theft 16 L
urban, on a suitcase, 16 L, capacity change, for laptop, reflective, RFID-protection, hidden zipper, pockets: on the back, on strap, 44x34x20 cm, weight 645 g

Backpack Targus Corporate Traveller 15.6 30 L
urban, on a suitcase, 30 L, capacity change, for laptop, pockets: top, front, lateral, 50x35x21.5 cm, weight 1460 g

Backpack I-Stay IS0211
urban, sealed, on a suitcase, capacity change, for laptop, RFID-protection, hidden zipper, pockets: on the back

Backpack Vango Sherpa 70:80 80 L
camping, 80 L, capacity change, backrest adjustment, rain cover, reflective, pockets: top, front, lower, on belt, weight 2620 g

Backpack Berghaus 3D Freeflow 30+5L 35 L
outdoor activities, 35 L, capacity change, without laptop compartment, backrest adjustment, outlet for hydrator, reflective, pockets: on strap, on belt, crab-pocket, weight 1408 g

Backpack Dicota Eco Pro 15-17.3 29 L
urban, on a suitcase, 29 L, capacity change, for laptop, pockets: front, lower, 44x32x20 cm, weight 1480 g

Backpack Dicota Eco Pro 12-14.1 21 L
urban, on a suitcase, 21 L, capacity change, for laptop, pockets: front, lower, 39x30.5x20 cm, weight 1340 g

Backpack Targus EcoSmart Mobile Tech Traveler XL 40 L
urban, for tourism (cabin), on a suitcase, 40 L, capacity change, for laptop, pockets: top, front, 53x33x22.5 cm, weight 1460 g

Backpack Vango Sherpa 60:70 70 L
camping, 70 L, capacity change, backrest adjustment, rain cover, reflective, pockets: top, front, lower, on belt, 80x30x31 cm, weight 2370 g

Backpack Chrome Industries Bravo 4.0 35L 35 L
urban, 35 L, capacity change, for laptop, reflective, Rolltop, 44.5x31.5x16.5 cm, weight 1300 g

Backpack Mammut Ducan Spine 28-35 Women 28 L
camping, for women, 28 L, capacity change, outlet for hydrator, rain cover, reflective, pockets: on strap, on belt, 57x31x28 cm, weight 1400 g

Backpack Mammut Ducan Spine 28-35 28 L
camping, 28 L, capacity change, outlet for hydrator, rain cover, reflective, pockets: on strap, on belt, 58x31x27 cm, weight 1400 g

Backpack OGIO No Drag Mach S 18 L
urban, 18 L, capacity change, for laptop, outlet for hydrator, reflective, hidden zipper, pockets: on the back, on belt, 45.5x31.5x21.5 cm, weight 1250 g

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