UltrAspire 800ml Softflask

New for 2025, the UltrAspire 800 collapsible SoftFlask carries 800mL of fluid. The unique wedge shape allows this SoftFlask to slide easily in and out of hydration pockets. Comes with a larger diameter 42mm top to fit ice cubes or nutrition options. 

• The ideal large volume hydration solution for running or hiking
• Soft material conforms to the space given 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
• Compatible with our new Bloddle hose system 
• Large 42mm opening makes it easy to fill with ice or nutrition mixes and easier to clean.
• 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 45g
• Capacity 800mL
• Made for UltrAspire by Hydrapak

Also available in 300mL and 500mL capacity