Salomon Soft Flask
Best insulated hydration flask for winter trail runners and cold-weather athletes.
This is the essential upgrade for winter runners who are tired of frozen hoses and slushy sips. The dual-skin insulation keeps your water flowing in sub-zero temps, though the added bulk means it’s slightly less packable than your standard summer flask. It’s a specialized tool that solves a very specific, freezing problem.
$39.99
at
Road Runner Sports
Who it's for
- Athletes requiring rapid hydration during intense racing
- Runners seeking chafe-free comfort on long-distance efforts
- Ultrarunners needing to minimize bounce and pack bulk
Who should skip it
- Trail runners navigating rugged terrain with sharp gear
- Users who prioritize easy maintenance and quick drying
- Sensitive drinkers bothered by initial manufacturing tastes
Performance breakdown
Cold-weather performance
Dual-skin insulation effectively prevents freezing during intense winter activities.
Flow rate
High-flow valve delivers rapid hydration without requiring excessive suction effort.
Refill efficiency
The wide 42mm opening makes quick, spill-free refills simple on trails.
Ergonomic grip
Integrated handle design provides a secure hold while moving at speed.
Material durability
RF welded seams and robust TPU construction withstand rigorous daily use.
Taste neutrality
High-quality materials ensure water remains clean without any plastic aftertaste.
Key Specs
Capacity
400ml (13.53 ounces)
Insulation
Dual-skin insulation
Material
64% Thermoplastic Polyurethane, 33% Polypropylene, 3% Silicon
Valve Type
High-flow valve
Opening Size
Large 42mm opening
Sustainability
100% BPA & PVC free, PFC-free
Seams
TPU & RF welded seams
Model Number
SAL LC1916900
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