Hydration packs
Trail hydration packs: running vests and hydration bags
Don’t let thirst or poorly fitted gear hinder your stride. From short, intense runs to the extreme demands of an ultra-endurance, explore a complete selection of trail running hydration packs designed by leading outdoor brands. Ultimate lightness, flawless ergonomic support and instant access to your supplies: find the carrying system built for your next challenges.
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New colour
FLASH DAYS
-
Recommended price
£131.91
-20%
£105.51
- M
- L
New colour
FLASH DAYS
-
Recommended price
£131.91
-23%
£101.11
- M
- L
FLASH DAYS
-
Recommended price
£96.71
-31%
£65.91
The TSL Finisher 5 + 2 Soft Flasks 500 ml Black Pink is a lightweight, breathable mesh vest with adjustable straps, featuring a pole holder, safety whistle, reflective zones, and pockets for hydration.
- M (92-99)
-
Recommended price
£87.91
-20%
£70.31
The Salomon Active Skin 4 Women Set Black Metal is a lightweight, compact trail running vest with a 4-litre capacity, SensiFit™ construction, and hydration compatibility, perfect for short to medium distance races.
- XS (81-86)
- S (86-91)
- M (91-96)
- L (96-102)
-
Recommended price
£87.91
-20%
£70.31
The Salomon Active Skin 4 Set Black Metal is a lightweight, durable hydration vest for runners, offering 4L capacity, easy-access flask pockets, and a custom fit.
- XS (81.5-89)
- S (88.5-96)
- M (95.5-102.5)
- L (101.5-108.5)
- XL (108-115)
-
Recommended price
£114.31
-20%
£91.43
The Salomon Active Skin 12 Set Black Metal is a versatile, comfortable trail vest with generous storage, including a 12-litre capacity, bottle pockets, and compatibility with a 1.5 litre water bladder.
- S (88.5-96)
- M (95.5-102.5)
- L (101.5-108.5)
- XL (108-115)
-
Recommended price
£101.11
-20%
£80.87
The Salomon Active Skin 8 Set Black Metal is a lightweight, durable hydration vest with an 8-litre capacity, designed for long-distance trail running, featuring practical pockets, compatibility with a 1.5L water bladder, and a secure compartment for essentials.
- M (95.5-102.5)
- L (101.5-108.5)
- XL (108-115)
FLASH DAYS
-
Recommended price
£30.71
-28%
£21.91
-
- S (72-80)
- M (80-88)
- L (88-96)
-
£13.11
The Oxsitis Bib Belt, made from elastic polyester, offers runners a comfortable, anatomical fit and a magnetic holder for easy, damage-free bib attachment.
FLASH DAYS
-
Recommended price
£87.91
-25%
£65.91
The Salomon Active Skin 4 Women Set Emerglow Black is a lightweight, compact trail running vest with a 4-litre capacity, SensiFit construction, and hydration solutions, ensuring comfort and performance.
- S (86-91)
- M (91-96)
FLASH DAYS
-
Recommended price
£30.71
-28%
£21.91
The Light Belt Black from Bv Sport is a lightweight, breathable and elastic running belt that offers optimal storage space for your essentials.
- S (< 78)
- M (78-82)
- L (82-86)
- XL (> 86)
FLASH DAYS
-
Recommended price
£39.51
-22%
£30.71
For lightweight running without the need for a backpack, consider BV Sport's Ultrabelt Noir carrying belt. You'll be able to take along your water bottles, keys, phone or poles without being encumbered.
- S (< 78)
- L (82-86)
- XL (> 86)
FLASH DAYS
-
Recommended price
£61.51
-30%
£43.03
Inov-8's Racepac 4 Black Light Green is an eco-designed trail vest with 4 liters of storage, Zero-Bounce system and multiple pockets for comfortable, organized running.
-
Recommended price
£114.31
-20%
£91.43
The Salomon Active Skin 12 Women Set is a lightweight, durable, 12-litre trail vest, designed for runners, featuring softflasks, and a secure zippered compartment.
- XS (81-86)
- S (86-91)
- M (91-96)
- L (96-102)
FLASH DAYS
-
Recommended price
£123.11
-21%
£96.71
The Oxsitis Spectre 12 Black Orange hydration bag is perfect for trail running and benefits from lightweight construction to ease your progress on your runs.
- M (100-105)
- L (110-115)
- XL (115-120)
FLASH DAYS
-
Recommended price
£70.31
-30%
£49.19
The Racepac 8 Black Light Green trail vest from Inov-8 is a lightweight, versatile backpack designed to provide optimum comfort and storage capacity for your outdoor runs.
- L (97-109)
-
Recommended price
£114.31
-20%
£91.43
The Salomon Active Skin 12 Set Red Dahlia High Risk Red is a versatile, comfortable trail hydration vest with ample storage, SensiFit construction, and compatibility with a 1.5 litre water bladder.
- S (88.5-96)
- M (95.5-102.5)
- L (101.5-108.5)
FLASH DAYS
-
Recommended price
£87.91
-25%
£65.91
- XS (81.5-89)
- S (88.5-96)
- M (95.5-102.5)
-
Recommended price
£101.11
-20%
£80.87
- M (95.5-102.5)
- L (101.5-108.5)
- XL (108-115)
-
Recommended price
£101.11
-20%
£80.87
- XL (108-115)
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Stability and support: the essential asset for running self-sufficiently
In trail running, managing your energy depends on consistent hydration and absolute comfort. Unlike a conventional backpack, a trail hydration pack (often designed as a vest) fits snugly around the upper body. This ‘second-skin’ construction distributes weight evenly between the chest and back, eliminating any unpleasant bouncing with each step. The goal is simple: to offer total freedom of movement and allow instant access to your water, nutrition or windproof jacket without ever stopping your run. Breathable mesh fabrics and precision adjustment systems developed by expert outdoor brands ensure a smooth, stable stride, even on the most technical terrain.
Vests and belts: choosing according to your needs
To fine-tune your gear according to your discipline and the duration of your outing, explore our dedicated categories:
- Opt for maximum ergonomics with our selection of trail running vests.
- Travel light on short distances with a running belt.
Soft flasks or hydration bladder: optimising your refuelling
Most modern hydration vests offer great versatility to adapt to every runner’s strategy:
- Models designed to hold soft flasks on the front prioritise quick refills at checkpoints and ensure optimal load balance across the chest.
- Hydration packs with a bladder (housed in the back) are recommended for maximum autonomy (up to 2 or 3 litres), providing continuous hydration through the drinking hose.
Frequently Asked Questions
How should you wash and care for your hydration pack?
Favour hand washing in lukewarm water with mild soap. Avoid machine washing, which can damage breathable mesh and stretch elastic straps. Rinse thoroughly and air dry away from direct sunlight.
How can you prevent chafing and bouncing while running?
The pack should fit like a garment, close to the body. Make sure to distribute the load evenly between the front (flasks) and the back (gear). Use the chest straps to adjust the tension according to your breathing without compressing the rib cage. If it bounces when empty, the size you’ve chosen is likely too large.