Vivobarefoot Primus 3.5 FG Running Shoe – Men's size-10 Low-volume

Low-volume

7-inch lightweight woven shell

while a wider base keeps your transitions smooth and stable

warm enough for a cold bivvy

8 oz (236 mL) capacity — right-sized for snacks

Vivobarefoot Primus 3.5 FG Running Shoe – Men's size-10 Low-volumeBuilt for runners who want real ground feel on technical terrain, the Primus Trail 3. 5 FG is our pick for athletes transitioning to or training in barefoot footwear. A firm ground outsole with aggressive lugs delivers traction on dirt, roots, and rock, while the wide toe box lets your foot splay and work naturally. Zero drop, minimal stack height puts you in direct contact with the trail for honest proprioceptive feedback Firm ground (FG) outsole