The Core Skate Shoes from Praxis. Praxis is youthful lifestyle footwear dedicated to the essence of skateboarding. A black textured synthetic and hemp upper with black and gum cupsole construction allows for supreme lightweight, flexibility and board feel. With a Neoprene lined collar and tongue, removable arch support insole, and the Sacred Sole outsole traction, the Core low top skate shoes from Praxis are the next generation of skating technology. Black textured synthetic and hemp upper. Black lightweight cupsole construction. Low top skate shoe silhouette. Neoprene lined collar and tongue. Praxis logos on upper, back, and tongue.