BUILT FOR EXTREMES. ENGINEERED FOR PERFORMANCE.

When the conditions demand more, the Trailflow Delta delivers. This rugged, insulated hydration reservoir is designed to perform in the harshest environments—keeping your liquids colder longer, and your gear streamlined.

INSULATED FOR ENDURANCEFeaturing advanced Insotek™ insulation, the Trailflow Delta maintains liquid temperature up to 40% longer than standard reservoirs—keeping you hydrated and refreshed when heat is relentless.

VYPR VALVE™ SYSTEMOur VYPR VALVE™ features a high-flow 3-way bite valve with an interchangeable Quick Connect Dock (QCD)mouthpiece, giving you ultimate adaptability. Instantly swap in filtration systems, hydration tubes, or other use-specific attachments without breaking your stride.

MILITARY-GRADE MATERIALSCrafted from ultra-durable, puncture-resistant mPE film, and welded with reinforced seams, this reservoir is built to survive punishing conditions without leaks. BPA-free, taste-free, and field-tested to withstand the elements.

QUICK-FILL ACCESSAn oversized 88mm threaded fill port allows for rapid filling, easy cleaning, and seamless ice loading—even with gloves on.

ZERO LEAK, ZERO HASSLEThe 360° auto-sealing bite valve prevents leaks after every sip, and a mid-line quick disconnect makes it easy to route and manage gear without removing your pack.

MADE FOR THE DEMAND. READY FOR ANYTHING.The Trailflow Delta is built to go further, last longer, and perform when it matters most—no matter where the journey leads.