Vivobarefoot Primus Trail Flow Mens Dark Shadow Size:41eu Step Up is designed for

Step Up is designed for the shape of toddlers' feet

5mm TrailFoam™ layer evens out the bumps during your trail run

cross-training

The Cork Insole provides 3mm of foam with a top layer of natural antibacterial cork

single-piece knitted upper blending natural Woolmark wool with Tencel

Vivobarefoot Primus Trail Flow Mens Dark Shadow Size:41eu Step Up is designed forAs you connect with the trail, a super lightweight and flexible ETPU midsole and an All Terrain outsole keeps feeling in and trail debris out. The Primus Trail Flows streamlined 1. 8mm base and optimised 3. 5mm lug height mean you pick up every nuance of the Earth beneath your feet, letting you run off road with precision and confidence. Weight Approx. 219g (size dependent) Heel to Toe Drop 0mm Stack Height 1. 8mm base + 3. 5mm lug depth Midsole 100%