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The UltrAspire 500 collapsible SoftFlask carries 500mL of fluid. The unique wedge shape allows this SoftFlask to slide easily in and out of a hydration pocket. Comes with a larger diameter 42mm top to fit ice cubes to help keep fluids cool.
The ideal easy store solution for running or hiking
Soft material conforms to your hand to provide a comfortable carrying experience
Flexible design shrinks as you drink, reducing water movement on the run
High-flow bite valve auto-seals after each sip and includes a twist locking cap for added security
compatible with our new Bloddle hose system
Large 42mm opening makes it easy to fill with ice or nutrition mixes
Made of ultra-durable, abrasion resistant TPU (Thermoplastic Polyurethane) Silicone, HTPE & RF welded seams for superior durability and elasticity
Wide working temperature range (can be frozen - max temp 60° C)
