Primus Trail III All Weather FG (Men's) boots The Primus Lite IV is

The Primus Lite IV is a versatile performance trainer for running

which enhances grip on the ground and supports proper posture

multidirectional control

or for adapting to lower drop shoes

Everything you need to improve function from the ground up

Primus Trail III All Weather FG (Men's) boots The Primus Lite IV isThe Primus Trail III All Weather Firm Ground is a water resistant evolution of the Primus Trail FG: our original, best selling trail running sneaker. Similarly light, durable and flexible for varied hardpack trail adventures made with recycled, vegan*, high performance materials the Primus Trail III AW FG features water resistant materials for trail runs and hikes in wetter, cooler climes. Firm Ground Outsole Stand firm on multiple terrains. Ortholite