Hydrapak UltraFlask™+ Filter Cap packs thanks to the amazing odor-resistant

thanks to the amazing odor-resistant properties of merino wool- The added synthetics fibers (40%) into the merino (60%) top cover improve durability- A thin sheet of aluminum throughout the insole delivers better insulation from the elements

Micro-adjustable dial-based BOA® Fit System plus hook-and-loop straps

Leave it to Black Crows to offer superior products with great style

5000 mAh will fully charge most phones

Ski/Walk Mode : Speed MLT

Hydrapak UltraFlask™+ Filter Cap packs thanks to the amazing odor-resistant### Hydrapak Says ### Run fast, filter faster. The UltraFlask+ Filter Cap threads seamless onto all of HydraPaks 42mm running flasks and handhelds for a lightweight, straightforward filtration solution. Featuring a traditional bite valve and cap design, runners can drink freshly filtered water directly through the high flow Blaster valve. FILTER FACT SHEET FILTER USER MANUAL *Effectively removes common waterborne bacteria, such as E. coli (99. 999%)