Hydrapak Soft Flask – Ultraflask Speed 600ml

– VEST PACK FIT: Soft material conforms to most hydration vests / belts or pack pockets – makes a great addition or replacement running flask
– COMPRESSIBLE: Flexible design shrinks as you drink – reducing water movement
– SPEEDFILL CAP: Designed for fast filling – flips open for quick refills and snaps closed for a leak-proof seal
– CUSTOMIZABLE CAP: Choose between two cap options / Directly mount your bite valve onto the cap or insert the adjustable drink tube to create a straw cap (can be cut to any length)
– HIGH-FLOW: Easy to drink bite valve auto-seals after each sip – eliminating annoying drips
– WIDE OR NARROW FLASK: 500ml flask features an arrow flange for skinny and longer vest pockets / For wider pockets – the 600ml flask features a wide flange for a better fit
– LARGE OPENING: 42mm opening lets you fill the flask easily with ice and drink mixes