Skechers has released a running shoe for those speed demons out there. The Skecher GoRun 4 is incredibly light with its GOknit seamless mesh upper, so you never feel weighed down. A spacious toe box allows for toes to splay and prevent any cramped feeling during the run. A responsive cushioning system provides faster foot turnover. Vibrant colors bring excitement to your training and racing. Upper: Performance FITKNIT® provides a breathable and comfortable fit. Synthetic overlays offer added stability and durability. Reflective detailing enhances visibility. Flat laces reduce irritation.Midsole: Dual-density Resalyte® and Resalyte® Power Pillar provides maximum cushioning, comfort and added response.GOimpulse™ Sensors offer flexibility. M-Strike® Technology promotes a midfoot strike. Removable insole. Outsole: Strategically placed rubber offers durability and abrasion resistance in key strike zones.