Collapsible Bottles

With optimized grip and a high-flow valve, the SOFT FLASK 250ml/8oz will help keep you hydrated on all your shorter runs, so you can explore, train and race in optimum conditions. Shrinking as you drink to limit water bounce, the flask lets you know exactly how much you have left.

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, while an adjustable straw and high-flow valve make it easier to stay hydrated. Shrinking as you drink to limit water bounce, the flask lets you know exactly how much you have left.

We’ve adapted our classic Soft Flask with dual-skin insulation to keep your water in liquid form in winter. The new bite valve evacuates any ice build-up with a quick squeeze and the handle provides extra grip, so you can drink easily on the move. Compatible with all our 42mm lids – including our summer versions to your liquids cool in the sun.

Nothing’s cleaner, greener*, or more versatile than a Platypus SoftBottle flexible bottle. Whether you’re out running, catching a flight, or hitting the yoga studio after work, the SoftBottle flexible bottle is your source for easy hydration. Platy’s most flexible water bottle. Lightweight and packable – 80% less weight and bulk than a hard bottle. Taste-free as well as BPA-, BPS-, and phthalate-free. Food-grade liner with rugged exterior is pliable and durable. Available with Closure Cap or Push-Pull Cap.

Add-on or aid replacement for vest-pack harness pockets.

INSULATED HANDHELD HYDRATION Keep your water cool and prevent bottle sweat. An insulated version of our handheld SkyFlask™ 500ml soft bottle, the SkyFlask IT 500ml features our IsoBound™ technology. Engineered to keep fluids at an ideal temperature 38% longer than a standard flask.

ISOBOUND INSULATED FLASK The UltraFlask IT 500ml features our new IsoBound™ insulation technology that keeps water cold and won't sweat in warm temperatures. Engineered to keep fluids at an ideal temperature 38% longer than a standard flask. After all, cold water is more refreshing.

Stash it in your running vest, belt, or even in the palm of your hand. This lightweight, collapsible flask features our classic one-piece silicone bite valve for rapid hydration on race day, and packs down easily once it's empty. We designed the Quick Stow to fit easily in the front compartments of all of our running vests. Once it's empty, it folds down small enough to fit in your pocket. - Bite valve self-seals after each drink, eliminating annoying drips - Empty flask collapses and folds ultra-compact to fit in most pockets - All parts top-rack dishwasher safe - Volume indicators in ounces and milliliters for tracking hydration and adding electrolytes - Hang flask upside down for easy drainage and drying