HydraPak UltraFlask+ 500ml - Filtered, Compressible Soft Flask Water Bottle for Hydration Vests and Running Packs with Integrated Water Filter (500ml / 17oz)

Comfort The soft, flexible flask shapes to fit your pocket for extra comfort and shrinks as you drink to minimize water bounce

HYDRAPAK INSULATION Isobound Insulation prevents heat transfer from the user to the hydration. Engineered to keep fluids at an ideal temperature longer than a standard flask

Bite Valve Design High-flow bite valve auto-seals after each sip, eliminating drips and leaks. Ideal for runners, cyclists, and sports enthusiasts seeking a reliable, no-spill design.

Easy push pull bite valve

Lightweight Only 33 g, collapsible soft flask, easy to use, easy to store, let your running more easily

BPA & PVC free durable PE film

MATERIAL Made of food grade TPU, the water bottle is soft and collapsible. There may be a small packet of tea leaves in the bottle, which helps get rid of plastic smell and is harmless. Please throw it away before filling with water

Running Vest Compatible This water bladder fits easily in most running vest with water bottles and running belt with water bottle holders. Provides bounce-free stability and a wide rim bottom to easily slide into any pocket.

Content 2 pcs UTOBEST 250 ml soft flask; weight 30 g; color blue; material TPU (thermoplastic polyurethane), without PVC or bisphenol-A, easy cleaning in the dishwasher

MATERIAL Made of high quality nylon and polyester mesh, the handheld bottle bag is lightweight, comfortable, wear-resistant and water repellent

Package Includes 2-Pack Soft flask water bottle 500ml with 2 Carabiner Clips, Colour Blue and Light Blue, Material TPU (thermoplastic polyurethane), PVC Free and BPA Free.

EASY TO CLEAN With a wide mouth for quick refills and dishwasher-safe material, maintaining your TENTRA soft flask is effortless. The perfect running flask for athletes and adventurers seeking hassle-free hydration.

Package 2pcs 500ml Bottles with straws

Ultra-Light & Foldable The ideal 500ml water bottle soft flask. Perfect for running, cycling, hiking & a travel water bottle. This foldable water bottle is compatible with any hydration vest.

Lightweight & Portable The soft water bottle can be completely folded into a very small size to fit easily in most running vest and running belt. Weighing almost nothing, it will not increase the burden when carrying it in your pocket or accompanying bag, which is perfect for running, cycling and intense activities.

Package included one hydration flask (500ml 16oz). Recommended temperature range 0-60

TWIN PACK FOR EXTRA VALUE Each order includes two soft flask 500ml bottles, giving you a convenient hydration solution for race day, training, or swapping out between runs.

Multifunctional Use The soft flask design makes them the perfect running accessories, hiking accessories, hiking water bottle, runners water bottle or running gift.

HYDRATION ON THE MOVE Our soft flask is specially crafted for vigorous activities such as running, hiking, cycling and climbing. The perfect sporting companion, take it everywhere with you! Our soft water bottle can be folded and tucked into your pocket or bag. Our soft flask comes in 5 size variations and are freezable so they can double as an ice pack.

Package Contents Contains 2 soft hydration flask, can store 500ml 17OZ of water, each weighs only 27g (without straw), ultra-light and easy to hold. You can roll it up after use, so it won't take up too much space