The new Nike boot is adorned with 30 LEDs in the Swoosh on the side panel , powered by a lithium ion battery , to light up less - traversed trails as the sun goes down .
Their real purpose is aesthetic appeal .
The new Nike boot is adorned with 30 LEDs in the Swoosh on the side panel , powered by a lithium ion battery , to light up less - traversed trails as the sun goes down , although their real purpose is aesthetic appeal .