Underfoot protection from debris

90% Synthetic rubber / 10% Natural rubber

please measure your feet with the socks on

Lining: 90% polyester + 10% spandex

shin splints relief

Vivobarefoot Men's Primus Trail FG 3.5 - Insignia Blue Size:45 Underfoot protection from debrisHit the trail to rewild yourself and reconnect with nature. The Primus Trail 3. 5 FG is a light, durable, flexible trail running trainer that brings us one step closer to circular footwear. This Vivo fits true to size. FIRM GROUND OUTSOLE Stand firm on multiple terrains. ORTHOLITE INSOLE The Ortholite Performance Insole is made of 98% recycled polyurethane foam, which helps reduce waste and the use of virgin plastics. BREATHABLE MESH Breathable,