UltrAspire Softflask w/ Straw & Bite Valve (500 mL) – Kinesis & eoGEAR

UltrAspire continues to push the envelope with our collapsible bottle. With a 500 mL (16 oz) capacity, the soft bottle features an angled bite valve which delivers a high flow. 500 mL soft bottle.

500ML Softflask

Ultraflask 500ml soft flask 17 oz for running vest packs – Orange

Ultraflask 500ml soft flask 17 oz for running vest packs – Orange

HydraPak UltraFlask Speed 500ml 2-Pack (500 ml/17 oz

500ML Softflask

500ML Softflask

HydraPak UltraFlask Speed 500ml 2-Pack (500 ml/17 oz

UltrAspire Softflask Hydration Flask (300ml, w/ Bite

Part of our ultra-light series, the 500 ml is so light, 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 minimize 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 light weight, ultra useful.