Lining : Coolmax® and OnSteam® microfiber blend

It is made of 70% synthetic rubber and 30% natural rubber

yet slightly rugged

Breathable Comfort : With an OnSteam® lining

These sandals support the natural function of your feet and internal organs

Vivobarefoot Primus Lite IV All Weather Mens – Obsidian Size:46 Lining : Coolmax® and OnSteam®Description Step into eco conscious functionality with this all weather men's shoe. Ideal for outdoor training and running. Supports natural foot movement and respects the environment. Natural Movement: Promotes flexibility and balance. Resistant design: With water resistant materials, this shoe offers a practical shoe in wet weather. At the same time easy maintenance. Environmentally conscious production: Made with recycled materials. Safe sole: A