UltrAspire Spry 4.0 – Minimalist Trail Running Pack for Speed &
Versatility
The UltrAspire Spry 4.0 is the enhanced version of the
award-winning Spry series, offering lightweight comfort, improved
storage, and breathability. Designed for half marathons,
marathons, or ultra events with frequent aid, this
pack keeps things minimal without compromising function. It features
updated front harness pockets for hydration and nutrition, and
a stretchy rear compartment with magnetic closure to hold a 1L
reservoir or extra layers. A sweat-proof zippered pocket keeps
valuables dry, and the Magnon Pocket provides fast access to
pills. The MaxO2™ sternum system ensures the pack stays secure
without restricting your breathing. Key Features:
• Minimalist 3.5L volume – ultra-light & stable
• Sweat-proof rear zippered pocket for valuables
• Magnetic pill pocket (Magnon Pocket) for rapid access
• 1L bladder-compatible + 2 front UltraFlask holders
• MaxO2™ sternum system for unrestricted breathing
Color: Blue/Sky
Size: Unisex (Chest: 26?–48?)
Capacity: 3.5?L (214?ci)
Weight: 213?g (7.5?oz)