Bagstra - The improved design Salomon soft flask manufactured by Hydrapak are flexible. You can compress the bottle as you drink to eliminate water bouncing/sloshing inside and reduce sucking effort. Easy to
Salomon Soft Flask SPEED 500mL/16oz | Ultramarathon Running Store
Salomon Soft Flask 500mL/16oz | Ultramarathon Running Store
Salomon Soft Flask 500ml W/ Inbuilt Filter – Pace Athletic