Hydrapak's UltraFlasks™ are designed to conform to the shape of your body, compressing as you drink - this means reduced sloshing and bouncing, less
Nathan 600ml SOFT FLASK WITH BITE TOP - Run Vault
Tempo Run Soft Flask 200ml, Infinit Nutrition
Salomon Soft Flask 500ml/17oz Speed 42
Softflask 150ml Gel Flask —
Aonijie 500ml Quick Stow Soft Flask - Trailbusters
Gear - Tailwind Nutrition Benelux
Powder nutrition - “hack” so you don't spill everywhere during
Tailwind Softflask by HydraPak
Tailwind Nutrition 500ml Soft Flask
Tailwind Nutrition Endurance Fuel — XMiles