Salomon Soft Flask
Best insulated hydration solution for endurance runners in extreme weather.
A flexible, insulated solution for winter hydration that prevents freezing on the trail. The wide opening simplifies filling and cleaning, while the high-flow valve delivers water quickly without the need for excessive squeezing.
$35.99
at
Road Runner Sports
More Soft Flask options
Who it's for
- Year-round trail runners facing extreme weather conditions
- Endurance athletes seeking a bounce-free hydration experience
- High-intensity racers needing quick hydration without breaking their stride
Who should skip it
- Long-distance runners prioritizing maximum water volume over temperature control
- Minimalist runners using vests with very narrow or small pockets
- Busy athletes who prefer low-maintenance gear that is dishwasher safe
Performance breakdown
Thermal Performance
Dual-skin construction effectively prevents freezing during intense cold-weather pursuits.
Flow Rate
High-flow valve delivers consistent hydration without requiring excessive suction effort.
Refill Efficiency
The wide 42mm opening makes rapid refills at aid stations seamless.
Packability
Collapsible design shrinks down instantly once empty to save precious space.
Grip Security
Integrated handle offers a reliable hold even with gloved, frozen hands.
Cleaning Ease
Wide mouth allows for thorough scrubbing and prevents lingering residue buildup.
Key Specs
Capacity
400ml
Capacity
13 oz
Insulation Type
Dual-skin
Opening Diameter
42mm
Lid Type
42mm
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