Why We Love It

Lightweight and compact, the Hydrapak's UltraFlasks™ collapse as you drink. This eliminates sloshing and allows you to pack the empty flask tightly to stow on the go. Perfect for hydration vests, belts and tucking away after use. 

Talk Nerdy To Me 

The Tailwind Hydrapak is a versatile 500ml hydration solution designed for outdoor enthusiasts. Featuring a 28mm wide opening, it allows for easy filling and cleaning, while high-glow bite valve automatically seals after each sip, ensuring no leaks or spills. Made from ultra-durable, abrasion-resistant TPU with RF welded seams, this bottle is built to withstand any adventure, offering superior durability and elasticity. Its wide working temperature range means it can be frozen for extra refreshment on hot days. Plus, the Hydrapak is completely safe and reliable, being 100% BPA and PVC free, making it an excellent choice for those seeking functionality in their hydration gear.

Fast Facts

- 28mm wide opening
- High-glow bite valve auto-seals after each sip and includes a twist locking cap for added security
- Made of ultra durable, abrasion resistant TPU and RF welded seams for superior durability and elasticity
- Wide working temperature range (can be frozen)
- Safe and reliable 100% BPA and PVC free