After every couple of uses
The Primus Lite All Weather is for barefoot warriors who train in the wild
Wildhide Leather: Made from naturally scarred leather from free-roaming cattle sourced from small-scale farmers
TPU overlays and synthetic components Best Use Trail running
Step into a pair of Pilgrims
Vivobarefoot Primus Lite IV All Weather Mens Obsidian Size:46eu After every couple of usesFIND THE ANSWERS WITHIN BUILT FOR BAREFOOT TRAINING, INSIDE AND OUT The Primus Lite All Weather is for barefoot warriors who train in the wild. An all weather, water resistant version of the original Primus trainer, designed to help you build strength in every run, walk or workout ? come sunshine, wind, ice or rain. FIT, FEEL, FLEX: For natural stability, natural sensory feedback and natural strength.