Performance Hydration for Every Mile
Designed with over 30 years of research and development, the UltrAspire Plexus 2.0 is a 4-liter, low-profile waist pack engineered for athletes who demand security and comfort. This refined conical-shaped pack ensures a non-slip fit that stays in place during high-intensity movement, keeping your essentials balanced and your focus on the trail ahead.
Why You’ll Love This
- Ambidextrous Hydration Access: The horizontal, fully insulated bottle pocket allows for easy reach with either the left or right hand while protecting your fluids from body heat.
- Includes UltraFlask 550: Comes equipped with a 550ml UltraFlask Hybrid Bottle, secured by 4-way stretch mesh to prevent inadvertent launching during technical descents.
- Chafe-Free Comfort: Features breathable webbing that allows sweat to escape and dual forward-pull adjustments for a personalized, zero-chafing fit.
- Enhanced Load Balancing: The increased front pocket capacity keeps your gear distributed evenly across the waist, maintaining a sleek, low-profile silhouette.
- Integrated Padding: Strategically placed foam ensures you never feel the bottle or hard contents against your lower back, even on long-distance runs.
Product Details
- Capacity: 4 Liters
- Hydration: Includes one 550ml UltraFlask Hybrid Bottle
- Fit: Universal (One size fits most)
- Material: 4-way stretch mesh and breathable performance webbing
- Adjustment: Dual forward-pull cinch system













Reviews
There are no reviews yet.