Vivobarefoot Primus Trail FG 3.5 Womens Obsidian For work The water-filled base is sure

The water-filled base is sure to react against your every move

For relaxing

Dansko Natural Arch® technology adds the contoured arch support that will keep you on your feet throughout the day

heel shock absorption pad

The updated Primus III has the same ultra-lightweight design and flexible

Vivobarefoot Primus Trail FG 3.5 Womens Obsidian For work The water-filled base is sureRun and roam wild Built for trail running and adventuring closer to nature The Primus Trail 3. 5 FG is for runners who live for the end of the road. These all terrain trainers are light and flexible enough to move freely, and tough enough to run wild on rough, rocky ground. Made with recycled, vegan*, high performance materials. We're on a mission to create a fully circular shoe a new Vivo made from an old one, which can in turn be made into another.