AeroFlex™ Core Alpine Blue | Warm-Fill Capable Soft Flask
AeroFlex™ Core Alpine Blue | Warm-Fill Capable Soft Flask
Lightweight. Packable. Hydration in your pockets.
Backpack-free hydration made for movement on the mountain.
Designed for skiers, riders, climbers, runners, and anyone who prefers water on hand without a pack, the AeroFlex™ Soft Bottle (12.68 fl oz, 375mL) slips effortlessly into jacket and pants pockets, as well as hydration belts and hydration vests.
Its flexible form moves with you, spreading weight evenly across your body rather than pulling you backward like a pack does — helping you maintain strong fore–aft balance and optimal skiing posture.
Crafted from durable, premium materials and finished with a leakproof cap, AeroFlex™ is built for long days outdoors. When empty, it collapses completely flat so it never takes up space.
Features
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Hydration in Your Pocket — Backpack-Free.
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BPA free & plastic-smell free
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Ultra-light, flexible design that folds completely flat
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Moves naturally with your body for better balance and comfort
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Safer alternative to rigid bottles in a fall
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Compatible with Sawyer Squeeze and gravity filters (output side)
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Designed and manufactured in California
The "Warm Fill" Advantage
Unlike traditional flasks that fail or smell when heated, AeroFlex™ handles warm beverages with ease.
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Coffee & Cocoa Ready: Engineered for a mid-mountain caffeine hit or warm hot chocolate. Our premium material stays neutral, so your drink tastes exactly how it should—never like plastic.
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The Pocket Warm-Up: Fill with warm cocoa and tuck it into an inner jacket pocket. It’s the perfect way to carry a treat that keeps you cozy on the lift ride up.
- Not a Thermos: This is not a vacuum-sealed bottle. It is designed for immediate warmth and won't keep drinks hot for long periods; perfect for a quick summit reward.