Vivobarefoot Primus Lite IV Men's Size:43 Vents under the arms and

Vents under the arms and at the back yoke provide temperature-regulating airflow

It will unlock your ability to customize your storage options on your rack

Reversible Pocket Clip For Left Or Right Side Carry

Optical Performance

Materials: Chromoly steel

Vivobarefoot Primus Lite IV Men's Size:43 Vents under the arms andOur best selling barefoot training all rounder, now re engineered for smarter material use. The Primus Lite IV delivers the same trusted barefoot feel with recycled, vegan* materials made for moving naturally, whether you're running or working out. Wide, thin and flexible to elevate every workout, now with a lighter footprint. Primus Outsole Get as close to the ground as possible. Ortholite Insole The Ortholite Performance Insole is made of 98%