Vivobarefoot Primus Lite III Running Shoes Train hard while treading lightly on the planet. The Primus Lite III is our hero trainer and its minimalist design lets your feet move in the most natural way possible. Building strength for every run, walk and workout. Recycled Mesh Upper Lightweight and lean, the Vivobarefoot Primus Lite III offers a less shoe, less weight experience for enhanced speed and freedom to move. Following the natural shape of the foot, the recycled mesh upper encourages natural human movement flexing with the foot for as little interference as possible. The mesh allows cool air to flow throughout the upper to create a perfect microclimate for your feet to thrive in. The increase in ventilation ensures your feet remain cool, dry and comfortable at all times. The upper is specifically shaped for the foot with minimal interference to your natural movement so you always stay in control. This vegan-friendly trail shoe will deliver you with the ultimate lightweight and flexible running experience plus, it has been constructed using recycled materials. Completing the upper is a lacing system that locks down the midfoot so you can enjoy distraction-free strides. EVA Bloom Midsole A EVA Bloom insole provides lightweight cushioning underfoot which in turn reduce the stress placed upon the feet and the joints. EVA is extremely firm, which will absorb shocks instantly and effectively, preventing them from causing any damage to the sole of the foot. Energy produced from this will also be returned as rebound, which will give you an added spring in your step. The EVA bloom is also better for the environment than standard EVA. The high-performance foam cleans and restores the environment when harvested making it more environmentally friendly than alternatives. Active Outsole Delivering supreme grip and traction over a wide range of terrains, the Primus Lite III will keep you in firm control at all time. Constructed using VivoBarefoot's signature A