"Salomon® Soft Flask 400ml/13oz Insulated 42: Stay hydrated through winter running and cold-weather trail efforts with this insulated water bottle designed to keep your liquids in liquid form when temperatures drop. The dual-skin insulation prevents ice buildup that frustrates runners in freezing conditions, while the high-flow valve lets you squeeze out any remaining ice and drink easily without breaking stride. The large 42mm opening makes filling and cleaning straightforward, and the ergonomic handle gives you a secure grip whether you're wearing gloves or running in wet conditions.This flask works with all Salomon 42mm lids, so you can swap components based on seasonal needs and keep your hydration at the temperature you prefer. The 400ml capacity fits comfortably in your hand or pack for runs of any length, and the practical valve system removes the barrier between you and consistent hydration when conditions get tough. Whether you're logging winter miles, tackling trail running in cold climates, or pushing through long efforts in challenging weather, the insulation and reliable valve work together to keep you drinking without hassle.Why Our Fit Experts Love It""I used this flask during a cold-weather trail run and the insulation kept my water from freezing solid, even after two hours outside. The bite valve worked smoothly, and the handle made it easy to grab and drink without slowing down."" - Sean, Road Runner Sports Fit Expert, Chula Vista, CAWho It's Best ForThe Salomon Soft Flask 400ml/13oz Insulated 42 is best for runners and athletes training in cold weather, winter running, and trail running who want a durable hydration solution that performs in freezing conditions without ice formation. It works well for anyone who values easy access to water during longer efforts and appreciates the versatility of swapping lids across seasons. VIP Family members can take the Soft Flask 400ml/13oz Insulated 42 for a 90-Day test drive with our Perfect Fit Guarantee."