Vivobarefoot Primus Trail Knit FG Mens Obsidian AUT22 with an oversized heel lug

with an oversized heel lug for emergency braking on slippery surfaces

FEATURES FOR GRAM-COUNTING

relaxation

The Primus Lite IV is a versatile performance trainer for running

Vivobarefoot Primus Trail Knit FG Mens Obsidian AUT22 with an oversized heel lugFAST, VERSATILE HARDPACK ADVENTURES OUTDOORS TRAIL RUNNERS THAT DO MUCH MORE Made for trail running, the Primus Trail Knit FG is also excellent for fastpacking and hiking. Its low profile and versatility also makes it a popular choice of outdoor lovers wherever they tread. A knit upper and sock bring flexibility and protection. A quick lace system means easy adjustments. And a thin Firm Ground sole balances barefoot sensation with grip, feeling fast