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Backpacks with changable capacity

 prices on 29 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 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 Deuter Compact EXP 14 14 L
sports, 14 L, capacity change, without laptop compartment, outlet for hydrator, rain cover, pockets: on belt, 46x26x18 cm, weight 970 g

Backpack Sierra Designs Flex Capacitor 25-40 40 L
camping, 40 L, capacity change, rigid frame, pockets: top, on strap, on belt, 58x28x22 cm, weight 1130 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 Osprey Metron Roll Top 22 L
urban, 22 L, capacity change, for laptop, rain cover, reflective, Rolltop, pockets: front, lateral, 53x33x24 cm, weight 1400 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 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 Nomatic Travel Pack V2 20 L
urban, on a suitcase, 20 L, capacity change, for laptop, RFID-protection, pockets: top, 47x30.5x15 cm, weight 1880 g

Backpack Tumi Alpha Bravo Navigation Backpack
urban, for tourism (cabin), on a suitcase, capacity change, for laptop, pockets: front, lateral, 41x36x19 cm, weight 1270 g

Backpack Mammut Aenergy ST 20-25 20 L
outdoor activities, 20 L, capacity change, without laptop compartment, outlet for hydrator, Rolltop, pockets: top, on strap, 54x28x20 cm, weight 690 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 Deuter Compact EXP 12 SL 12 L
sports, for women, 12 L, capacity change, without laptop compartment, outlet for hydrator, rain cover, pockets: on belt, 44x24x17 cm, weight 950 g

Backpack Peak Design Travel Backpack 30L 27 L
urban, 27 L, capacity change, for laptop, pockets: top, 53x34x18 cm, weight 1440 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 Deuter Utilion 34+5 34 L
for tourism (cabin), 34 L, capacity change, for laptop, pockets: lower, 53x32x21 cm, weight 1240 g

Backpack Nomatic Navigator 15L 15 L
urban, on a suitcase, 15 L, capacity change, for laptop, reflective, RFID-protection, pockets: front, 48x30.5x14 cm

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 Deuter Utilion 30 30 L
for tourism (cabin), 30 L, capacity change, for laptop, pockets: front, lower, 51x31x18 cm, weight 1140 g

Backpack Chrome Industries Barrage Cargo 22L 22 L
urban, 22 L, capacity change, for laptop, reflective, Rolltop, pockets: front, crab-pocket, 51x30x15 cm, weight 1360 g

Backpack Nomatic Navigator Collapsible Backpack 16.5 L
urban, on a suitcase, 16.5 L, capacity change, for laptop, outlet for hydrator, pockets: top, 48x26.5x15 cm

Backpack Nomatic Backpack V2 20 L
urban, on a suitcase, 20 L, capacity change, for laptop, RFID-protection, pockets: top, 47x30.5x12.7 cm, weight 1800 g

Backpack Nomatic Navigator Travel 32L 32 L
urban, on a suitcase, 32 L, capacity change, for laptop, rain cover, reflective, RFID-protection, pockets: top, front, 56x35.5x23 cm

Backpack Deuter Amager 25+5 25 L
sports, 25 L, capacity change, for laptop, reflective, Rolltop, pockets: lateral, 48x30x18 cm, weight 970 g

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