Collapsible design shrinks as you drink, minimizing sloshing and saving space in your belt
High-flow bite valve with self-sealing nozzle enables quick, spill-free sips on the go
Durable, BPA-free, odor-resistant materials withstand frequent use and multiple refills
Easy-grip cap and twist-to-lock top ensure secure, hands-free hydration
Lightweight and modular construction fits easily in Endorphin belt or pockets
Summarized by Shop
Custom-Built Soft Flask (250ml / 9oz) brings the same proven Endorphin hydration system in a lighter, everyday size. Built for the runs where you want water on hand without carrying more than the run requires.
Collapsible Design: This flexible flask shrinks as you drink, minimizing sloshing and staying quiet and stable as your run progr
Capacity
250 ml (9 fl oz) or 450 ml (15 fl oz)
Material
BPA-free, odor-resistant plastic
Mouthpiece
Silicone bite valve with self-sealing nozzle
Weight
29 g (250 ml), 33 g (450 ml)
Color
Gray, Clear, Black
Pattern
Solid, Text, Logo
Summarized by Shop
4.9
20 ratings
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1
Does everything as advertised and works really, really well!