Hydrapak UltraFlask Speed 500ml

As part of Hydrapak's ultra-light series, this 500ml flask is so light, that you might forget you brought it. Weighing in at just over an ounce, it's optimal hydration, no matter what kind of runner you are. Its pliable material conforms to most pockets, it shrinks as you drink to minimise water movement and it can be used with or without the tube. Topped with a new feature, the SpeedFill cap, makes aid station refills a breeze. Ultra-lightweight, ultra-useful.

Constructed using a soft material that conforms to most hydration vests, belts or pack pockets, the bottle frees up your hands. A tube can be used to drink from at any time with little fuss and hassle. As you drink, the bottle shrinks, meaning that there is less water movement. As well as this it can be twisted or collapsed to a quarter of its size. This makes it easily storable in a fully packed bag, or even small enough to put in your pocket. Featuring a SpeedFill cap, the bottle flips open for quick refills and snaps closed for a spill-proof seal. As well as this, the high-flow bite valve auto-seals after each sip, eliminating annoying drips whilst the large standard 42mm opening lets you fill the flask easily with ice and drink mixes. Ultra-durable and abrasion-resistant, the bottle can be put through a lot whilst withstanding damage. Liquid can be frozen inside of it, whilst hot water up to 60° C can be filled in it. With plastic waste being a huge current problem for our world, the sustainable and ethically designed bottle will help you reduce your need to buy single-use bottles from the shop only to throw them away once used.