Soft flasks
The best trail running soft flasks and flexible water bottles are at Glisshop:
Our running gear experts have selected for you the very best in soft flasks. True mini hydration reservoirs, these flexible water bottles let you hydrate on the go and pack down to save space once empty. A real advantage for ambitious athletes who want to go the distance while staying efficiently hydrated during their run.
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Recommended price
£17.91
-25%
£13.41
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Recommended price
£13.41
-20%
£10.71
The TSL 500 ml Soft Flask is a compressible, easy-grip flask with anti-leak valve, ideal for trail running and other outdoor activities.
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Recommended price
£35.91
-25%
£26.91
The Salomon Soft Flask 400ml/13Oz Insulate 42mm Clear Blue is a flexible and insulating water bottle, easy to fill and clean, ideal for outdoor hydration.
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Recommended price
£19.71
-31%
£13.41
Durable, compact and compatible with 28mm water filters, the Hydrapak Stow 1L Sultro Green soft water bottle is a practical way to stay hydrated during your outdoor adventures.
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Recommended price
£25.11
-25%
£18.81
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Recommended price
£22.41
-40%
£13.41
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Recommended price
£17.91
-25%
£13.41
Lightweight and compact, the Hydrapak Pocket Flask 500ml Malibu Blue is the perfect accompaniment to your outdoor outings, providing quick hydration without cluttering up your pack or vest.
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A wide range of volumes: 250 ml, 500 ml, and even 750 ml!
Running soft flasks are available in different capacities, from the smallest at 250 ml to the largest at 750 ml. The choice of volume for your trail soft bottle will largely depend on how you plan to carry it. If you have a simple trail belt, two small 250 ml flasks balanced on each side can work perfectly. If you use a trail running vest, you can easily go for 500 ml volumes. Of course, you'll also need to choose your flask capacity according to the distance you plan to cover and the day's weather conditions.
Models perfectly compatible with trail belts and running vests
All the soft bottles available in store are compatible with the trail vests and running belts you'll find at Glisshop. If you have any doubts, don't hesitate to contact us—we'll be happy to assist you with your purchase.
All the top brands at Glisshop: Hydrapak, Source, Oxsitis, Salomon
Because hydration is a vital need in running and trail, at Glisshop we offer you the very best in trail bottles and soft flasks. All selected products are extremely practical. They feature durable bite valves and nozzles, and are made from premium materials. Special mention goes to the brand Oxsitis, born like Glisshop in the heart of the Auvergne volcanoes, which emphasizes recycled materials and over 30% French manufacturing.
High-end soft bottles with no plastic taste
Staying hydrated during a trail or a running session is great, but being able to drink quality water with no plastic aftertaste is even better. That's why at Glisshop we only offer trail flasks from leading brands that pay special attention to the plastic used. Most models are BPA-free (Bisphenol A), phthalate-free, and PVC-free, and some are even free of BPS, BPF, and PFC. This means you can drink safely all year round, avoiding all known harmful substances.
For even more options, check out our full range of bottles and nutrition in our trail nutrition and hydration section.