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) Safe and reliable, 100% BPA & PVC free Weight 35g Capacity 500mL Custom made for UltrAspire by Hydrapak Also available in 300mL and 800mL capacity
