Versatile and adaptable to your surroundings, the Nxis Evo trainers from Keen feature mesh mesh upper with TPU overlays for durability. Tarmac, track, scree, and stone stairs make up much of the landscape. So with an all-terrain tread, waterproof, designed knit top, and room for your toes comfort, protection, and stability of the famous hiker were taken into consideration. No matter the terrain, these lace-up boots will let you enjoy the outdoors to the max. Premium mesh upper with durable TPU overlays. Breathable textile lining for comfort. Removable, PU insole for long-lasting comfort and support. Speed-lace webbing system provides a secure fit that is comfortable. Durable rubber outsole for higher-traction and grip.