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22L Black Cycling Hydration Backpack Ultra£26.99 Was £52.99 -
2 Litre Water Bladder Hydration X in Assorted£10.99 Was £20.99 -
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2 colours
Trespass Hydration Packs For Walking And Hiking
Whether you're cycling to the office or training for a marathon, it's important to stay hydrated. A handy hydration pack lets you drink water without the need to stop and reach for your bottle, meaning you can quench your thirst on the go without stopping your adventure.
Trespass hydration packs are available in a variety of styles and sizes, perfect for keeping you hydrated no matter whether you're hiking or biking. Our hydration rucksacks will provide you with water while helping you organise your belongings, while our lightweight water bladders fit easily into any pocket or backpack. Browse our selection today and stay energised on your next expedition.
What Is A Hydration Backpack?
A hydration backpack is a hiking bag designed to aid drinking on the go. Suitable for runners, cyclists and mountaineers alike, our hydration bags will keep you energised during any outdoor pursuit.
Hydration backpacks - also known as water backpacks or hydration compatible backpacks - are simple to use and can be paired with a water bladder or hydration pack. These are water pouches that work using an attached tube and mouthpiece, expertly designed to make drinking on the go more convenient. Simply store the pouch in the rear pocket of your hydration backpack, and feed the hose through the holes on the backpack to the hydration access point.
The best hydration packs feature adjustable sternum and waist straps, designed to provide added support and stability whether you're running, hiking or cycling. Many cycling hydration packs come with reflective detailing, a feature you may want to consider for heightened visibility.
How To Use A Hydration Bladder
If you’re wondering how do hydration backpacks work, then you’ve come to the right place. You will soon realise that they are simple to use, once you’ve read the step-by-step guide below.
Fill a hydration pack water bladder by unscrewing the cap and using a tap. Always leave a little space at the top of the water bladder to save the hydration pack from being too full, preventing it from bursting.
Install the water bladder in the hydration pack pocket of your water bladder backpack. Feed the tube through the access point hole – usually found at the back of the pack, though this will be labelled – and out to the rear of the backpack.
To use a hydration pack bite valve, follow the above steps before putting your bag on as you usually would with the straps over your shoulders and the pack behind you.
Find the water bladder tube and bring it around the side of your face and to your mouth. Now, bite down on the mouthpiece while sucking – and there you have it: how to use a hydration pack.
If you’re wondering how to clean a hydration pack, firstly unscrew the cap and empty the contents. Then rinse with warm water and washing up liquid. Re-fill and empty the contents of the water bladder several times over to ensure that the soap and suds have been washed away. Leave the hydration bladder or water pack upside-down on your drying board and let it dry naturally.
Cycling Hydration Packs
A cycling hydration pack – also known as a cycling backpack is what you would wear if you needed a bag for travelling by bicycle. They tend to be smaller in size, streamline in design and are equipped with added security in the form of sternum and waist straps, often with a water bladder access point.
Here at Trespass, we offer a multitude of sizes and technicalities to buy. The best size backpack for cycling is no more than 20 litres in capacity, such as the Mirror 15L or the Cizzy 10L. The Terminal 15L backpack is a popular choice as it features a foldaway helmet holder and sternum straps to disperse weight evenly for balance.
Different riding styles benefit from different pack designs. Understanding the main types helps you choose the best hydration packs for your needs.
- Hydration backpacks: The most popular option for off-road and longer rides. These cycling hydration packs usually hold 2–3 litres of water and include extra storage space for tools, snacks, and extra layers.
- Compact hydration packs: Smaller packs with less storage capacity, ideal for shorter rides or commuting when you only need to carry liquids and a few riding essentials.
- Hydration vests: Lightweight, body-hugging designs that suit fast riding and warm conditions. They offer quick access to hydration bladders with minimal bulk.
- Hip packs: Worn around the waist rather than the shoulders. These packs offer less storage capacity but are popular for riders who prefer a lighter pack feel and more airflow across the back.
- Hydration bladders: Reservoirs that can be placed inside compatible backpacks if you already have a cycling bag you like.
Each style balances hydration, storage, and comfort differently, so the best option depends on ride length, terrain, and personal preference.
1. Capacity and Storage
Most hydration packs are available in capacities from 1 to three litres.
- Shorter rides: 1–2 litres is usually enough.
- Longer rides or hot conditions: 2–3 litres helps you carry water for the entire ride.
Look at overall storage capacity too. Extra pockets, mesh dividers, and a main pocket make it easier to organise snacks, a multi tool, valuables, and other essentials.
2. Fit and Comfort
A stable fit is crucial, especially on rough terrain. Good cycling hydration packs include:
- Adjustable shoulder straps for a secure fit
- Sternum straps to keep the pack in place
- A waist belt or zipped hip pockets to stabilise the load
Correct torso length sizing and even weight distribution help reduce fatigue when the pack is fully loaded.
3. Hydration System
Quality hydration systems make drinking easy while riding.
- BPA-free hydration bladders are safe and easy to clean
- A soft rubber bite valve allows smooth drinking without leaks
- Insulated tubes help keep water cooler for longer
Easy access to the bite valve encourages frequent sipping so you stay hydrated throughout the ride.
4. Ventilation and Back Panel Design
Look for suspended mesh or ventilated back panels that improve airflow. These reduce sweat build-up and increase comfort during warmer rides.
5. Durability and Protection
Water-resistant fabrics, reinforced seams, and secure straps help packs handle regular use. Some designs also include spine protection or a back protector, adding extra safety for trail riding.
Before choosing, think about how and where you ride.
- Commuting and shorter rides: A lightweight pack or compact hydration pack with minimal storage is often enough.
- Mountain biking: Hydration backpacks with a stable fit, compression straps, and enough room for tools and extra layers are ideal for trails and uneven ground.
- Long-distance cycling and touring: Larger cycling hydration packs with 2–3 litre reservoirs, multiple pockets, and good weight distribution support all-day comfort.
- Warm-weather riding: Breathable packs with mesh panels and easy access hydration help prevent overheating.
Matching the pack to your activity ensures comfort, efficiency, and reliable hydration on every ride.
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Are hydration packs more convenient than bottles for long rides?
- Yes. Hydration packs let you drink without stopping and usually carry more water than bottles alone. This makes them especially useful for long rides, hot conditions, and off-road cycling.
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Do cycling hydration packs include storage for tools or snacks?
- Most hydration packs feature multiple pockets and compartments. These are designed to carry snacks, a multi tool, phone, keys, and other riding essentials alongside the water reservoir.
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Are hydration packs comfortable to wear while cycling?
- When correctly fitted, cycling hydration packs are designed to feel stable and balanced. Adjustable straps, breathable back panels, and ergonomic shapes help keep them comfortable even on longer rides.
