VIVOBAREFOOT - Women's Primus Trail 3.5 FG Feet This pack includes an UltraFlask

This pack includes an UltraFlask 550 Hybrid Bottle that can fit horizontally in the insulated compartment and has room for an alternative bottle in the upper quick stash pocket

they’re still made to withstand a lifetime of rugged use

This shuttle is perfect to use for training

Nightly Recharge™

VIVOBAREFOOT - Women's Primus Trail 3.5 FG Feet This pack includes an UltraFlaskDESCRIPTION: Hit the trail to rewild yourself and reconnect with nature. The Primus Trail 3. 5 FG is a light, durable, flexible trail running trainer that brings us one step closer to circular footwear. FEATURES: FIRM GROUND OUTSOLE Stand firm on multiple terrains. ORTHOLITE INSOLE The Active Ortholite Performance Insole is made of 98% recycled PU foam, which helps reduce waste and the use of virgin plastics. BREATHABLE MESH Breathable, lightweight