The Primus Flow is the newest member of the Primus family, designed for pinnacle barefoot running performance.Built for efficient and unrestricted natural movement, this ultra-lightweight runner.- our lightest ever.- weighs in at just 150g.Its lightweight, breathable upper made from engineered recycled mesh forgoes overlays in favour of a stripped-back, seamless construction.The Primus Flow features an innovative 4mm midsole made entirely from low-density ETPU that´s designed to reduce the risk of injury without sacrificing proprioception.However, remember that barefoot running is a journey, not a race.To prevent injury, take it slow.- learn how to stand, walk and squat barefoot first before attempting to run.Urban:- Stripped-back soles for barefoot living.- so you´re never too far from nature, even in the city.Primus Flow Outsole:- The new Primus Flow outsole is a super lightweight 150g, crafted for speed and agility on runs.It delivers flexibility and grip, empowering stronger feet through a purposeful design that keeps you connected to the ground for more mindful running.Fit:- Foot-shaped fit enables toes to splay improving balance and providing a stable base of support.Feel:- Thin sole allows the thousands of nerve endings in each foot to provide the brain with sensory feedback it needs to move with skill.Flex:- Flexible footwear allows the muscles and tendons to load and recoil enabling your feet to get stronger for a natural spring in every step.Features:- Primus Flow Outsole:Reconnect and run slow.- No Insole:No insole, bringing you even closer to the ground for a greater barefoot experience.- Breathable Mesh:Breathable, lightweight and comfortable.Specifications:- Weight:159 g Composition:- Upper:100% recycled polyester jacquard.- Lining:Unlined.- Laces:100% recycled polyester.- Outsole:Midsole:ETPU (4mm), Outsole:100% TPU (2mm) Care:- Cleaning:Brush off mud and clean with a damp cloth.- Drying:Remove insole and dry at room temperature.- Keep out of direct sunlight and avoid putting on a radiator.