KAILAS
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KAILAS AIR 581113L Running Vest Hydration Backpack Hydration Vest Water Backpack Lightweight with Two TPU Water Bladders
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KAILAS AIR 581113L Running Vest Hydration Backpack Hydration Vest Water Backpack Lightweight with Two TPU Water Bladders
The backpack weight is only 230g(Medium Size), which is mainly suitable for trail running, as well as running, marathon, and light hiking.
KAILAS AIR 581113L Running Vest Hydration Backpack Hydration Vest Water Backpack Lightweight with Two TPU Water Bladders
Item #: 77955889

KAILAS AIR 581113L Running Vest Hydration Backpack Hydration Vest Water Backpack Lightweight with Two TPU Water Bladders

Item #: 77955889

USD 269

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*All items will import from US

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Order now and get it around Friday, August 21
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The backpack weight is only 230g(Medium Size), which is mainly suitable for trail running, as well as running, marathon, and light hiking.
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What Stands Out

Lightweight Design
The KAILAS AIR trail running vest is crafted from ultra-light materials, ensuring comfort without the bulk, making it ideal for long-distance activities like running, cycling, and hiking.
Dual Water Bladders
Equipped with two TPU water bladders, this hydration pack offers ample liquid capacity, ensuring you stay hydrated during strenuous adventures, while minimizing the need for frequent stops.
Unisex Fit
Designed for both men and women, the adjustable straps provide a customizable fit, enhancing stability and comfort during outdoor activities, making it perfect for a wide range of users.

Product Details

Discover the lightweight KAILAS AIR 5L Trail Running Vest Hydration Pack with Two TPU Water Bladders for Men Women Cycling Hiking. Order now from Ubuy, a Micronesia.
Item Weight0.26 Kilograms
Capacity13 Liters
Number Of Pockets5
Tank Volume2 Liters
Sport TypeRunning
Strap TypeAdjustable
Pocket DescriptionStash Pocket
Brand NameKAILAS
ManufacturerKailas
Item Type Namesports-hydration-packs
ColorWHITE/RED
Material TypeThermoplastic Polyurethane (TPU)
BrandKAILAS
MaterialThermoplastic Polyurethane (TPU)
SportRunning

Who Should Buy?

Suitable For
  • Trail Runners

    Ideal for trail runners who need lightweight hydration solutions during long-distance runs in various terrains.

  • Hikers

    Perfect for hikers looking for a compact hydration pack to carry adequate water supply on extended hikes.

  • Cyclists

    Great for cyclists who require easy access to hydration without compromising on comfort and mobility.

Not Suitable For
  • Heavy Load Carriers

    Not suitable for those needing to carry additional gear due to limited storage capacity for equipment.

Product Description

KAILAS AIR 581113L Running Vest Hydration Backpack Hydration Vest Water Backpack Lightweight with Two TPU Water Bladders

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What materials are used in the KAILAS AIR 581113L Trail Running Vest?

    Answer: The KAILAS AIR 581113L Trail Running Vest is constructed from lightweight, durable materials designed for high performance in outdoor activities. The vest features a breathable mesh fabric that promotes airflow, keeping you cool during intense workouts. Additionally, the TPU water bladders are made from thermoplastic polyurethane, ensuring flexibility and resistance to wear and tear. These materials make the vest not only lightweight but also highly functional, ideal for cycling, hiking, and trail running.
  • Question: How much water can the TPU bladders hold?

    Answer: The KAILAS AIR 581113L includes two TPU water bladders, each designed to hold a specific volume, making your hydration management efficient during long trails or intense activities. Each bladder typically has a capacity of around 1.5 liters, totaling approximately 3 liters of hydration. This ample capacity helps ensure you stay hydrated during extended runs or hikes, reducing the frequency of stops to refill water and allowing you to focus on your performance.
  • Question: Is the KAILAS AIR 581113L unisex?

    Answer: Yes, the KAILAS AIR 581113L Trail Running Vest is designed to be unisex, accommodating both men and women comfortably. The adjustable straps allow you to customize the fit, providing a secure yet comfortable experience for users of varying body types. This flexibility makes it an excellent choice whether you are hitting the trails or cycling, as it allows both genders to enjoy the same high-quality performance in moisture management and ease of movement.
  • Question: Can I use this hydration pack for cycling?

    Answer: Absolutely! The KAILAS AIR 581113L Trail Running Vest is versatile and suitable for cycling. Its lightweight construction and ergonomic design allow for minimal bounce and maximum comfort, making it ideal for biking enthusiasts. The dual TPU bladders provide ample hydration for long rides, enabling you to stay focused on your cycling without the distraction of carrying water bottles, ensuring a seamless cycling experience.
  • Question: What sizes are available for the KAILAS AIR 581113L vest?

    Answer: The KAILAS AIR 581113L Trail Running Vest comes in various sizes designed for optimal fit and comfort. You can typically find sizes ranging from small to large, accommodating a wide range of body types. This sizing ensures that every user can achieve a snug fit for better performance and less bounce during physical activities, making your outdoor adventures more enjoyable.
  • Question: Is it suitable for hot weather conditions?

    Answer: Yes, the KAILAS AIR 581113L Trail Running Vest is particularly suited for hot weather. The breathable mesh fabric promotes airflow, allowing sweat to evaporate quickly, helping to keep your body temperature down during demanding activities. Whether you're hiking in the sun or running on warm trails, this vest is designed to enhance your comfort and performance in hot conditions.
  • Question: How do I clean the KAILAS AIR 581113L hydration pack?

    Answer: Cleaning the KAILAS AIR 581113L hydration pack is straightforward. After use, especially if filled with flavored beverages, it’s best to empty the TPU bladders and rinse them with warm water. You can also use a mild detergent and a bottle brush for a thorough clean. The vest itself can be wiped down with a damp cloth. Regular cleaning maintains hygiene and ensures your hydration pack remains fresh for your next adventure.
  • Question: Does it come with extra storage compartments?

    Answer: Yes, the KAILAS AIR 581113L Trail Running Vest features several storage compartments, allowing you to carry essentials like snacks, keys, and your phone easily. These compartments are designed to be secure yet easily accessible, ensuring you can grab what you need without rummaging through your pack. Whether you're trail running, hiking, or cycling, having readily accessible storage helps keep your hands free and your focus on your activity.
  • Question: Can this vest accommodate additional hydration options?

    Answer: Yes, the KAILAS AIR 581113L is designed with versatility in mind and can accommodate additional hydration options. Alongside the included two TPU bladders, there is often space for a hydration bottle or other reservoirs if needed. This feature allows you to customize your hydration strategy based on the duration and intensity of your activity, whether it's a short run or a multi-hour hike.
  • Question: Where can I buy KAILAS AIR 581113L Trail Running Vest Hydration Pack Lightweight with Two TPU Water Bladders for Men Women Cycling Hiking in Micronesia?

    Answer: You can purchase the KAILAS AIR 581113L Trail Running Vest exclusively on Ubuy in Micronesia. Ubuy offers a seamless online shopping experience, allowing you to browse this hydration pack alongside other outdoor gear. The platform simplifies your search for high-quality products, ensuring you make a wise choice when deciding on your next outdoor adventure.

KAILAS Hydration Packs Editorial Review

The KAILAS AIR 5L Trail Running Vest is receiving positive feedback from customers. Users are impressed with the high quality and thoughtful design, noting that it feels superior and well-Constructed, with technology and functionality evident in its design. The breathable fabric, numerous pockets, and adjustable fit are particularly praised. Customers value the convenience of having everything close at hand while keeping their hands free, with the water bottle lids being a standout feature due to their leak-proof design. The vest is also appreciated for its zero bounce and easy adjustability as the hydration levels change. However, there are some criticisms regarding the sizing, with some users finding it runs exceptionally small, and others experiencing issues with durability, specifically fraying and breaking of the drawstrings after a short period of use.

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Pros

  • High-quality Construction and thoughtful design
  • Breathable fabric and numerous pockets
  • Convenient hands-free design with leak-proof water bottle lids
  • Zero bounce and easy adjustability for hydration levels

Cons

  • Sizing runs exceptionally small

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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

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23 July 2026 · via Trustpilot
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USD 269

Order now and get it around Friday, August 21

QTY:

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Fastest cross-border delivery

Features & Benefits

  • Backpack weight is only 230g (Medium Size)
  • Vest-style 3D cutting for weight balance and comfort
  • Precise adjustment and flexible snug design
  • Multiple storage, water bladder compartment, and trekking poles attachment
  • Reflective print, zippered pocket, high-transparency fabric, and eco-friendly garbage drawstring bag

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