Soft Flasks

The ultimate running water bottle for rapid and reliable hydration. The first and only water bottle on the market designed specifically for waist belts. The unique curve of the bottle...

Designed to maximize the ergonomics in our running vests, the low profile flask with 28mm cap and high flow bite valve shrinks as you consume your liquids reducing it’s mass...

Naked Running Soft Flask 500ml With our new 500ml soft flask – Made by Hydrapak – you get even more world class performance out of your hydration system. Designed to...

Lightweight Soft Flask With the lightweight SOFT FLASK 150ml/5oz STD 28, stay hydrated and energized on the move as the kilometers start to kick in. Shrinking as you drink to...

Salomon Soft Flask 500ml Clear Blue With a wide 42mm cap and high-flow valve, the Salomon soft flask 500ml makes staying hydrated faster and easier, so you can focus on...

Salomon Soft Flask 500ml Get in and out of aid stations without delay using the Salomon Soft Flask Speed 500 ml / 16 oz. The Rocket Valve cap features a...

Salomon Soft Flask 500ml Straw A perfect fit for the ADVANCED SKINS 8 for women, the SOFT FLASK 500ml/17oz with straw has been designed to reduce pressure on your chest,...

Salomon Soft Flask XA Filter 490ml Ideal for longer expeditions like ultra-trails, the XA FILTER CAP 42 & Soft Flask, filters bacteria and protozoa from natural water sources, so you...

Soft Flask Body Bottle UD's best selling soft flask is updated for 2022. Push-pull locking on/off valve with high-flow and leak-free bite valve. The easy grip cap and big 40mm opening allow liquids, powdered energy mix...