Kinetic energy transfer system conserves momentum between strides
The Nike LeBron 21 ??Optimism?? is a bold colorway of LeBron James??s twenty-first signature shoe with Nike Basketball with a mismatched design. The Nike LeBron 21 ??Optimism?? has both a mismatched and gradient appearance. A gradient combination of Laser Orange and Laser Fuschia mesh appear on the left shoe, while a gradient blend of Photo Blue and Vapor Green mesh can be found on the right shoe. The shoe features colorful overlays in 360-degree styling that provide a pop of color and stability. LeBron??s signature branding can be seen on the tongue, while a Swoosh appears on the sides. Zoom Air cushioning is embedded in the forefoot and heel of the multicolor midsole. Release date: May 1, 2024 OptimismGradient wall thicknesses optimize weight distribution
