USWE Ultraflask

USWE (pronounced - YOU-SWEEE) makes one thing: phenomenal product. 

Lately, if you've been paying attention to some of the racing scene, you've seen these on some world-class athletes crushing events like Leadville 100, UNBND Gravel, or SBT GRVL.

USWE makes bounce-free action packs that provide the perfect fit on an individual level – developed and tested together with top athletes, pro mountain bikers, and core weekend warriors since 2007. Their mission from day one is to design packs that you can wear in action with a super-snug race fit.

The Ultra Flask

These 500mL flasks are ideal for your long runs. They are a great fit for packs like the USWE Pace, which have mesh pockets on the front made just for them. You can fill them with mix, a gel solution, or just water. The extended tube and bite valve make them easier to drink from on the move.

What’re the highlights?

• 500ml hydration capacity
• Made of ultra-durable, abrasion resistant TPU & RF welded seams for superior durability and elasticity
• Can be frozen or filled with hot water (max temp 60° C / 140° F)
• Safe and reliable, 100% BPA & PVC free
• Fits select USWE packs

How do I use it?

Throw into your running vest/packs and take off for a big day. These 500mL flasks make fueling on the go a breeze.