By adding this to your daily routine it will improve lengthening and mobility of key muscles in the foot we use everyday during daily walking and exercise that are affected by modern day footwear

helping you move naturally

now re-engineered for smarter material use

a Pair of Cork Wedges for stability

it helps you maintain balance and agility

PRIMUS TRAIL KNIT FG MENS training By adding this to yourThe Primus Trail Knit is an evolution of the Primus Trail FG: our original, best selling trail running sneaker. It features a knit upper for enhanced breathability and purer trail mobility, made with recycled materials, and a sock like construction to keep out trail debris.