Oakley - Go Kart 2.0 (Black) - Men's: Option of premium leather or synthetic nubuck, engineered with vapor ports for breathability. Durable ballistic nylon with rubberized forefoot zone on select models for abrasion resistance. High NBS vulcanized rubber outsole with engineered tread and superior wet/dry traction. Molded internal midsole with innovative EVA formulation for resilient, all-day comfort. Shock-absorbing design with moisture control, arch support, and shape retention of memory foam.