The one-size-fits-all form-fitting pack is versatile enough for mountain running, hiking, or biking. The versatile and stable gear carrying system makes it easy to attach poles, ice axes, a helmet, or pad.

• The one-size-fits-all form-fitting pack is versatile enough for mountain running, hiking, or biking. The versatile and stable gear carrying system makes it easy to attach poles, ice axes, a helmet, or pad.
• PVC free, 1.5 liter bladder with Plug n' Play hose connector for quick hydration included
• Made of lightweight, stretchy, breathable, quick-drying fabric
• Zippered stuff pockets for gels, food, water bottles, an extra layer, and map
• Sensifit construction wraps the pack around the body without binding or abrasion