10 Best Water Bladder Backpack 5l in the UK 2025
Updated on 09/08/2025
#1
Recommended
29% Off
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- Ergonomic design with a ventilated mesh for enhanced breathability and comfort during physical activities.
- Weighing only 140 grams, this lightweight hydration vest holds a 1.5L water bladder and features pockets for 500 ml bottles and personal items.
- Adjustable hip belt and shoulder straps ensure a comfortable fit for various torso sizes while maintaining a balance of weight and capacity.
- Includes reflective strips for nighttime visibility and several pockets for easy access to essentials like gel, snacks, and mobile devices.
- Designed for a variety of outdoor activities, this hydration pack minimizes wind resistance and provides stability, making it ideal for running, cycling, and hiking.
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- Ergonomic design with a ventilated mesh for enhanced breathability and comfort during physical activities.
- Weighing only 140 grams, this lightweight hydration vest holds a 1.5L water bladder and features pockets for 500 ml bottles and personal items.
- Adjustable hip belt and shoulder straps ensure a comfortable fit for various torso sizes while maintaining a balance of weight and capacity.
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#2
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- Constructed from high-quality, BPA-free TPU material that ensures taste-free and odor-free hydration.
- Features leak-proof technology with a soft mouthpiece and an ON/OFF valve, allowing for controlled water flow and preventing leaks when not in use.
- The large opening facilitates easy filling, refilling, and cleaning, accommodating ice cubes for chilled water and ensuring thorough hygiene maintenance.
- Compatible with most hydration backpacks, perfect for various outdoor activities like running, hiking, and camping, making it essential for adventure enthusiasts.
- Drink easily by pulling up the cap and biting the mouthpiece; water flow is activated by biting and stopped by pushing back.
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- Constructed from high-quality, BPA-free TPU material that ensures taste-free and odor-free hydration.
- Features leak-proof technology with a soft mouthpiece and an ON/OFF valve, allowing for controlled water flow and preventing leaks when not in use.
- The large opening facilitates easy filling, refilling, and cleaning, accommodating ice cubes for chilled water and ensuring thorough hygiene maintenance.
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#3
27% Off
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- Durable and Safe: Constructed from high-quality PEVA material, this hydration bladder is BPA free, odorless, and meets SGS and FDA safety standards.
- User-Friendly Design: Features a bite valve for easy water access, along with a removable tube for hassle-free cleaning and filling.
- Leak-Resistant: Equipped with a secure clip closure and a soft mouthpiece that includes a shutoff valve to prevent leaks and keep dirt away.
- Versatile Carrying Options: The upgraded sliding seal opening simplifies usage, while the carrying handle ensures compatibility with various hydration packs.
- Multiple Size Options: Available in 1 L, 1.5 L, 2 L, and 3 L to suit different activities like running, hiking, cycling, and camping, backed by solid customer support.
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- Durable and Safe: Constructed from high-quality PEVA material, this hydration bladder is BPA free, odorless, and meets SGS and FDA safety standards.
- User-Friendly Design: Features a bite valve for easy water access, along with a removable tube for hassle-free cleaning and filling.
- Leak-Resistant: Equipped with a secure clip closure and a soft mouthpiece that includes a shutoff valve to prevent leaks and keep dirt away.
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#4
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- Ultra-lightweight nylon construction weighing 170g for comfort during extended wear.
- 5L total storage with a 2L bladder compartment included; additional pockets for organization.
- Fully adjustable straps for a customized fit, minimizing bounce and distributing weight evenly.
- Breathable mesh design promotes airflow; suitable for summer activities and endurance training.
- Versatile design for runners, hikers, and cyclists; features reflective details for safety in low light.
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- Ultra-lightweight nylon construction weighing 170g for comfort during extended wear.
- 5L total storage with a 2L bladder compartment included; additional pockets for organization.
- Fully adjustable straps for a customized fit, minimizing bounce and distributing weight evenly.
- Breathable mesh design promotes airflow; suitable for summer activities and endurance training.
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#5
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- Comes with: 1*backpack, 1* 2L hydration bladder. If you need a soft water flask, you need to choose another option.
- BREATHABLE AND COMFORTABLE: Nylon spandex combined with high-density mesh fabric is lightweight and breathable. Ergonomically fit your body without any constraints while exercising.
- MULTIFUNCTIONAL POCKETS: 4 pockets on the front straps of the backpack for storing soft water bottles, mobile phones, keys, gels, cards and more.
- WATER BLADDER SYSTEM: The backpack is set up with a separate water bag compartment with suspension system. There is also 1 separate internal storage compartment.
- PROFESSIONAL RECOMMENDATION: TTIAISHLE as a professional water bag backpack brand, unisex, suitable for running, marathon, cycling, mountaineering, hiking and other outdoor sports.
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- Comes with: 1*backpack, 1* 2L hydration bladder. If you need a soft water flask, you need to choose another option.
- BREATHABLE AND COMFORTABLE: Nylon spandex combined with high-density mesh fabric is lightweight and breathable. Ergonomically fit your body without any constraints while exercising.
- MULTIFUNCTIONAL POCKETS: 4 pockets on the front straps of the backpack for storing soft water bottles, mobile phones, keys, gels, cards and more.
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#6
21% Off
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- Ergonomic design with adjustable waistband and chest straps for a customized fit.
- Lightweight at only 300g, made from high-quality nylon; main compartment holds up to 3L, with shoulder strap pockets for 250ml bottles.
- Includes a safety whistle and reflective bar for nighttime visibility; features a zippered pocket for valuables and trekking pole attachments.
- Unisex design with reinforced shoulder straps, suitable for cycling, hiking, camping, and running.
- Not recommended for children under 12 years old; customer support available for product satisfaction.
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- Ergonomic design with adjustable waistband and chest straps for a customized fit.
- Lightweight at only 300g, made from high-quality nylon; main compartment holds up to 3L, with shoulder strap pockets for 250ml bottles.
- Includes a safety whistle and reflective bar for nighttime visibility; features a zippered pocket for valuables and trekking pole attachments.
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#7
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- 1L/2L/2.5L/3L hydration bladder with a wide opening for easy filling and cleaning
- Suitable for a variety of outdoor activities including camping, hiking, biking, and skiing
- Leak-proof design ensures your bag stays dry, featuring a roll-top seal and large opening
- Wide opening allows for easy pouring and adding ice cubes directly
- Made from PEVA material, 100% BPA-free, safe for temperatures from -20℃ to 50℃
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- 1L/2L/2.5L/3L hydration bladder with a wide opening for easy filling and cleaning
- Suitable for a variety of outdoor activities including camping, hiking, biking, and skiing
- Leak-proof design ensures your bag stays dry, featuring a roll-top seal and large opening
- Wide opening allows for easy pouring and adding ice cubes directly
- Made from PEVA material, 100% BPA-free, safe for temperatures from -20℃ to 50℃
#8
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- Lightweight construction using breathable and durable materials designed for marathon runners and outdoor activities.
- Multiple pockets for storing essentials such as a cell phone, keys, raincoat, and hydration supplies.
- Reflective strips for enhanced visibility during low-light conditions, ensuring safety while running or cycling at night.
- Emergency card slot on the shoulder strap for personal information in case of emergencies.
- Waterproof and sturdy design suitable for various outdoor activities including jogging, running, hiking, climbing, and cycling.
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- Lightweight construction using breathable and durable materials designed for marathon runners and outdoor activities.
- Multiple pockets for storing essentials such as a cell phone, keys, raincoat, and hydration supplies.
- Reflective strips for enhanced visibility during low-light conditions, ensuring safety while running or cycling at night.
- Emergency card slot on the shoulder strap for personal information in case of emergencies.
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#9
15% Off
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- Materials: Constructed with nylon, elastic power mesh, and a YKK zipper; features a capacity of 5 liters; dimensions: 44 x 20 cm (17.3 x 7.9 inches); includes one main compartment, two water bottle pockets, and three additional pockets.
- Lightweight Design: Weighs only 250g, enhancing mobility and ease during outdoor activities.
- Breathable Comfort: Made from high-density mesh that promotes airflow and moisture wicking; ergonomic shape with an adjustable belt for a tailored fit.
- Hydration Compatibility: Designed with a bladder compartment and hanging system for a 1.5L hydration bladder (not included).
- Safety Features: Reflective strips on the front and back for enhanced visibility during low-light conditions.
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- Materials: Constructed with nylon, elastic power mesh, and a YKK zipper; features a capacity of 5 liters; dimensions: 44 x 20 cm (17.3 x 7.9 inches); includes one main compartment, two water bottle pockets, and three additional pockets.
- Lightweight Design: Weighs only 250g, enhancing mobility and ease during outdoor activities.
- Breathable Comfort: Made from high-density mesh that promotes airflow and moisture wicking; ergonomic shape with an adjustable belt for a tailored fit.
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